What is composed mainly of broad-leaves deciduous trees-trees that drop their leaves in the autumn?

Answers

Answer 1

Answer:

This means that they lose all their leaves in the autumn, remaining bare through the cold winter months until the spring, when they grow new foliage. Some broadleaf trees however, are evergreen, rather than deciduous


Related Questions

Which characteristic of a planet indicates whether the planet is made of solid rock or gas?
Atmosphere
O Presence of moons
O Presence of rings
O Surface composition

Answers

Answer:Surface composition

Explanation:The surface composition of a planet will tell you what the planet is composed of. Solid rock planets are able to have rings and moons if their gravitational pull is strong enough, therefore the only correct answer is surface composition.

Answer:

So the answer is: O Surface composition

Explanation:

The surface composition of a planet indicates whether the planet is made of solid rock or gas. If a planet has a solid surface, it is likely composed of solid rock. If a planet does not have a solid surface, it is likely composed of gas.

The presence of moons, the presence of rings, and the atmosphere of a planet do not necessarily indicate the composition of the planet, so those options are not correct.

So the answer is: O Surface composition

I NEED THIS RIGHT NOW PLEASE

Answers

Lactic acid production increased in virus affected cells. ATP production decreased in virus affected cells.

Why are viruses so exhausting?

The immune system releases cytokines during viral infection, which induce inflammation and many of the typical signs of viral infection (eg, tiredness, aches and pains, malaise)

Although you may be progressively feeling better, it can take up to a year or longer for people to recover totally from post-viral fatigue. Another virus that triggers glycolysis is the non-enveloped double stranded DNA virus adenovirus. Non-tumorigenic breast epithelial cells infected with adenovirus 5 produced more lactic acid and consumed more glucose, while using less oxygen.

Percentage increase in lactic acid production will be (0.7-0.4)/0.7 i.e. 0.42 percentage increase.

ATP production decreased by (0.7-0.5)/0.7 i.e. 0.285 percentage.

To learn more about viruses use link below:
https://brainly.com/question/25236237

#SPJ1

What do atypical glandular cells mean?

Answers

Answer:

Is a term that has been used to describe abnormal cells that come from glands in the walls of the cervix

How do these two selections contribute to the effectiveness of the author's exposition?


(A)They present and address counterclaims about the purpose and function of homeostasis.
(B)They contrast homeostasis with other common processes in the human body.
(C)They provide evidence that ideas about homeostasis have evolved over the last century.
(D)They suggest that early ideas about homeostasis were significantly flawed.

Answers

The question does not have the article on homeostasis so as to make the inference.

What is homeostasis?

Homeostasis is the maintenance of a stable internal environment within an organism despite external changes. It is the regulation and balance of various physiological processes to keep the body in a steady state. The human body has many systems and mechanisms that work together to maintain homeostasis, such as the nervous system, endocrine system, and immune system.

For example, the body maintains a constant internal temperature through processes like sweating and shivering, and it regulates blood sugar levels through insulin and glucagon. Homeostasis is essential for the proper functioning of the body and overall health, and disruptions in homeostasis can lead to illness and disease.

Read more on homeostasis here:https://brainly.com/question/24882789

#SPJ1

Collecting vessels are formed by the uniting or convergence of several lymphatic ___- capillaries- respiratory pump- skeletal muscle pump- valves

Answers

Collecting vessels are formed by the convergence of several lymphatic capillaries, which are small, thin-walled vessels that are found in most tissues throughout the body.

Lymphatic capillaries are made up of overlapping endothelial cells that allow for the entry of interstitial fluid, along with any foreign particles or microorganisms present in the fluid, into the lymphatic system. These capillaries then converge to form larger lymphatic vessels, which ultimately lead to the lymph nodes and lymphatic ducts. The collecting vessels function to transport lymphatic fluid, which contains immune cells and waste products, away from the tissues and toward the circulatory system for eventual elimination from the body.

Learn more about capillaries here:

https://brainly.com/question/83042

#SPJ4

Jack created a table that compares the characteristics of planets and moons. Which of the following corrects the mistakes in Jack's table?
Planets
Made of rock or gas
Revolve around the sun
Moons
Made of rock
Revolve around the sun
Can have different shapes Have round shape
O Planets have a tail of gas and dust, and moons revolve around a planet.
O Planets have a round shape, and moons revolve around a planet.
O Planets revolve around a moon, and moons revolve around the sun.
O Planets revolve around the sun, and moons are made of gas.

Answers

Jack created a table that compares the characteristics of planets and moons. Which of the following corrects the mistakes in Jack's table?
Planets
Made of rock or gas
Revolve around the sun
Moons
Made of rock
Revolve around the sun
Can have different shapes Have round shape
O Planets have a tail of gas and dust, and moons revolve around a planet.
O Planets have a round shape, and moons revolve around a planet.
O Planets revolve around a moon, and moons revolve around the sun.
O Planets revolve around the sun, and moons are made of gas.

What ion enters a neuron causing depolarization of the cell membrane? a. sodium b. chloride c. potassium d. phosphate.

Answers

When voltage-gated sodium channels open, positively charged sodium ions flood into a neuron, resulting in depolarization. The correct option to this question is A

Depolarisation Different ions that pass the neuron membrane result in action potentials. Sodium channels first open in response to a stimuli. Because the inside of the neuron is negative in comparison to the exterior and there are much more sodium ions on the inside, sodium ions rush within the cell.The entry of sodium and calcium ions, which happens as a result of membrane channels opening, causes the depolarization.A sharp increase in membrane potential that opens sodium channels in the cellular membrane and causes a significant influx of sodium ions causes depolarization.

For more information on action potential kindly visit to

https://brainly.com/question/4305583

#SPJ4

12 In order to prepare for a future outbreak of Ebola, a harmful virus, two vaccines were tested. In order for either of these vaccines to be effective, they must?​

Answers

In order to prepare for a future outbreak of Ebola, a harmful virus, two vaccines were tested. In order for either of these vaccines to be effective, they must be safe and have thermal stability.

What is a Vaccine?

This is referred to as a biological preparation that provides active acquired immunity to a particular infectious or malignant disease.

An effective commercial vaccine should not harm the person being vaccinated and must be stable so as to be withstand different environmental changes such as temperature etc thereby making it the correct choice.

Read more about Vaccine here https://brainly.com/question/625596

#SPJ1

7. how do variations in the anatomical part affect contrast?

Answers

As the part size increases, so does the amount of attenuation increases, as well as the production of scatter radiation. Both of which result in a loss of contrast.

Variations in the anatomical part can affect contrast in several ways. As the part size increases, so does the number of attenuation increases, as well as the production of scatter radiation. This results in a loss of contrast.

X-ray is a  quick medical procedure used to produce images of the insides of the body. Here are several ways that anatomical parts can affect the contrast in the pictures x-ray produce:

First, different tissues have different densities, which can affect how much x-ray radiation is absorbed and how much is transmitted through the body. This can result in differences in contrast between different parts of the body.

Second, the size and shape of the anatomical part can also affect contrast. Larger or thicker parts may absorb more radiation, resulting in less contrast, while smaller or thinner parts may absorb less radiation, resulting in greater contrast.

Finally, the presence of contrast agents, such as iodine or barium, can also affect contrast by increasing the absorption of x-ray radiation in certain areas of the body.

Learn more about X-ray at https://brainly.com/question/14786450

#SPJ11

you should conduct an experiment that would test whether the coating of extracellular slime changed the speed at which the slime mold moved across the substrate. what two conditions you will choose to text the hypothesis?

Answers

The two choices to test the hypothesis is to place the slime mold on the agar and another to place the slime mold on agar coated with extracellular slime.

You may plan an experiment with two conditions—one with slime mold placed on plain agar and one with slime mold placed on agar coated with extracellular slime—to see whether there are speed differences. In both cases, a food supply could be positioned at a set distance from the slime mold, and the time it took to get there could be monitored.

The mold wanders around in quest of the nutrients it needs to grow larger, just like an amoeba does. Throughout the entire experiment, we also saw that the slime mold prefers to live and thrive in cold, damp surroundings, such as those that are close to bodies of water, tree bark and branches, etc.

Slime molds are an uncommon group of organisms that were formerly categorized as fungi, plants, and mammals. Slime molds have cellulose in the cell walls of their spores, just like plants do. Slime molds are heterotrophs, in contrast to plants.

To know more about slime molds, refer:

https://brainly.com/question/14009151

#SPJ4

what is the nitrogen source for the carbamoyl phosphate in pyrimidine synthesis?

Answers

The amino acid glutamine is commonly employed as the nitrogen supply for the carbamoyl phosphate used in the production of pyrimidines.

Bicarbonate, ATP, and ammonia, which is produced from glutamine by the enzyme glutamine synthetase, are used in this process to produce carbamoyl phosphate. The pyrimidine nucleotides, which are necessary components of DNA and RNA, are created by further modifying carbamoyl aspartate, which is created by using the carbamoyl phosphate in the first stage of pyrimidine synthesis. Alternative nitrogen sources, such as ammonia or urea, can also be utilized by some species to produce carbamoyl phosphate, but glutamine is often the main nitrogen donor. Cell growth and proliferation depend on the production of pyrimidine nucleotides, and disturbances in this system can cause sickness or aberrant development.

To learn more about ammonia, click here:-
https://brainly.com/question/18937778

#SPJ4

red-green color blindness is x-linked recessive. a woman having normal vision has a colorblind father. she has a son with a color-blind man. what is that probablility that the son is colorblind? a. 1/16 b. 1/2 c. 2/3 d. 1/8

Answers

The chances of a woman having a color-blind father and having a color-blind son by a color-blind partner are 1/2,  thus option (B). is the correct answer.

His X chromosome carries the recessive gene if the woman's father has the disorder. The Y chromosome does not include this trait. Currently, she possesses a recessive gene on the lone X chromosome from her father and one X chromosome from her mother. She does not suffer from color blindness, hence this is another normal/dominant trait she inherited from her mother. She will pass one recessive gene or one normal gene to her sons. A male who is colorblind in this situation has a 50% chance of existence.

With Punnett square:

Mother: XX'c

Father: XcY

Son genes:

          X         X'c

Xc      XXc     X'cXc

Y        Xy        X'xY

Her half of the son will be having either the XY gene which will be normal and the other half will have X'xY and will be color-blind.

To learn more about Punnett square please click on the given link: https://brainly.com/question/27984422

#SPJ4

I need help writing a short essay. I will give Brainleist !!! Paragraph 1 - Explain biodiversity and its importance.

Paragraph 2- Use one real life example of each of the 4 ecosystem services. They are provisioning, regulating, cultural
and supporting services.

Paragraph 3 - Describe genetic diversity, species diversity and ecosystem diversity are each important for maintaining
healthy biodiversity.

Answers

Answer: Biodiversity refers to the variety of life on Earth and encompasses genetic diversity, species diversity, and ecosystem diversity. It is important because it supports the functioning of ecosystems and provides numerous benefits to human societies.

Explanation:

Biodiversity refers to the variety of life on Earth and encompasses genetic diversity, species diversity, and ecosystem diversity. It is important because it supports the functioning of ecosystems and provides numerous benefits to human societies.

One example of provisioning services is the production of food. Agriculture and aquaculture systems, for example, rely on biodiversity to provide crops and fish for human consumption. Regulating services include the role of wetlands in filtering pollutants and the role of forests in regulating water cycles. Cultural services are the non-material benefits that people obtain from biodiversity, such as recreation, aesthetic enjoyment, and spiritual fulfillment. An example of cultural services is birdwatching, which brings millions of tourists and millions of dollars to many countries each year. Supporting services are the basic processes that underlie all other ecosystem services, such as nutrient cycling, soil formation, and primary production. An example of supporting services is the role of microbes in breaking down dead organic matter and releasing nutrients back into the soil.

Genetic diversity refers to the variety of genes within a species, species diversity refers to the variety of species within an ecosystem, and ecosystem diversity refers to the variety of ecosystems within a region. Each of these components is important for maintaining healthy biodiversity because they provide a buffer against environmental change and help ensure the survival of species in the face of unpredictable events. For example, genetic diversity allows species to adapt to new conditions and increases their chances of survival. Species diversity provides ecosystems with resilience and stability, while ecosystem diversity helps to ensure that a variety of important ecosystem services are maintained over time.

In conclusion, biodiversity is important because it supports the functioning of ecosystems and provides numerous benefits to human societies. Maintaining healthy levels of genetic, species, and ecosystem diversity is crucial for ensuring the continued provision of important ecosystem services.

To lear more about biodiversity:

https://brainly.com/question/905545

https://brainly.com/question/25696064

what is the mode of inheritance of black and brown fur color in mice?

Answers

Explanation:

O single gene with two alleles controlling fur color black fur is dominant to brown brown fur is dominant to black multiple genes controlling fur color Suhmit

Carbohydrates are universally used as an immediate energy source and they play structural roles for a variety of organisms. True/False?

Answers

It is True that carbohydrates are universally used as an immediate energy source and they play structural roles for a variety of organisms.

Carbohydrates are an important source of energy for many living organisms, from single-celled bacteria to multicellular animals like humans. They are broken down during cellular respiration to produce ATP, which is used by cells for various metabolic processes.

In addition to their energy-storage function, carbohydrates also have structural roles in many organisms. For example, cellulose, which is a type of carbohydrate, makes up the cell walls of plants and provides them with structural support. Chitin, another type of carbohydrate, makes up the exoskeletons of insects and crustaceans and provides them with protection and support.

Know more about Carbohydrates here: https://brainly.com/question/29775112

#SPJ4

describe the following characteristics when a gene is active: o is the gene tightly or loosely wound around histones? o are there many or few methyl molecules attached to the gene? o are there many or few acetyl molecules attached to the genes associated with histones? o are there many or few mrna transcripts?

Answers

There are many or few mRNA transcripts.

When proteins referred to as transcription factors bind to two essential pieces of DNA, an enhancer and a promoter, transcription of a gene begins. Nobody understood how near they needed to be to one another for transcribing to take place considering how far apart these are.

The transcription factor binds to the promoter and then activates the RNA polymerase complex. This causes the gene to be transcribed into a messenger RNA, which is then translated into a protein in the cytoplasm. Protein translation and a physiological response happen as a result of gene transcription being activated.

By attaching to a promoter sequence in the gene's DNA, transcription factors start the process of gene expression. Gene expression is influenced by the physical makeup of DNA, which is bundled with proteins into chromatin, by regulating access to DNA.

To know about gene

https://brainly.com/question/1480756

#SPJ4

If a gene is found only on the X chromosome and not the Y chromosome, it is said to be what?codominant traitsex-linked traitincomplete dominance trait.

Answers

If a gene is found only on the X chromosome and not the Y chromosome, it is said to be an X-linked or sex-linked trait. X-linked traits can be dominant or recessive

But they are usually expressed in a dominant or recessive pattern in males, who have only one X chromosome, as they do not have a second X chromosome to mask the effects of the X-linked trait. Females, who have two X chromosomes, can be carriers of X-linked traits, with the trait being expressed only if they inherit two copies of the mutant gene.In X-linked recessive inheritance, the gene is only expressed if both copies of the gene, one on each X chromosome, are mutated. Because females have two X chromosomes, they can be carriers of X-linked recessive traits, with the trait being expressed only if they inherit two copies of the mutant gene. In males, the trait is always expressed if the gene is present on the X chromosome. Examples of X-linked recessive traits include color blindness, hemophilia, and Duchenne muscular dystrophy.

To learn more about chromosome here:

https://brainly.com/question/1596925

#SPJ4

What are the small openings in the leaves called?

Answers

Tiny openings in leaves called stomata. Guard cells control the opening and closing of stomata. Plants release water vapor into the atmosphere when stomata open to allow gases to pass over the leaf surface.

What are stomata and their functions?

Stomata are epithelial cellular structures in tree leaves and needles that support plant growth and exchange carbon dioxide and water with the environment.

How do stomata open and close?

It is surrounded by two guard cells that control the opening and closing of the stomata. Stomata are open during the day for gas exchange and release of water vapor during transpiration. Stomata open and close due to changes in the turgor pressure of guard cells.

Why do plants need stomata?

This evolutionary innovation is so central to plant identity that nearly all land plants use the same stomata to take in carbon dioxide and release oxygen. Stomata are very small, microscopic, and important for photosynthesis.

To learn more about stomata visit:

https://brainly.com/question/29366215

#SPJ4

In a skin infection, which cell will take up and process microbial antigens?
A. Intraepidermal macrophages (Langerhans cells)
B. Melanocytes
C. Tactile epithelial cells (Merkel cells)
D. Stem Cells

Answers

In a skin infection, Intraepidermal macrophages (Langerhans cells) cell will take up and process microbial antigens. Hence, Option A is the correct answer.

What do we mean by microbial antigens?

The pathogen or invader is referred to as an antigen. It has the potential to elicit an immune response and is perceived as a threat by the immune system. Antigens are proteins found on the pathogen's surface. These are the substances to which the immune system reacts when they are recognised as foreign. Antigens can be whole microbes or isolated microbe components. Bacterial cell walls, flagella, capsules, and toxins are all antigenic components.

Bacterial antigaens can be found on the cell's flagella or on the cell surface. Differences between strains can be identified by using specific antibodies found in antisera that have been specially prepared.

Learn more about cell here: https://brainly.com/question/13920046

#SPJ1

The fact that bees can detect ultraviolet rays humans cannot is due to the difference between the human and bee _____.

Answers

mans base their color combinations on red, blue and green, while bees base their colors on ultraviolet light, blue and green. This is the reason why bees can't see the color red. They don't have a photoreceptor for it

which term is used to describe an inherited trait that gives an organism an advantage in its particular environment?

Answers

Adaptation is used to describe an inherited trait that gives an organism an advantage in its particular environment.

In general , the adaptation is considered as the heritable changes that helps an organism, like plant or animal, that helps to survive and reproduce in its environment. Hence , Adaptation is the process in which a species becomes stable and able to survive in its environment as a result of natural selection's also works in taking up heritable variation over several generations.

Also, adaptation is known as a physical or behavioral feature in animal that make them suitable to survive in environment they are living. In other words, an adaptation is needed for the survival for any species.

To learn more about Adaptation , here

brainly.com/question/29768035

#SPJ4

1 The fluids leave the capillaries at the arterial end because... A) the net filtration pressure of the blood is higher at the arterial end than it is at the venous end. B) the net filtration pressure of the blood is higher at the venous end than it is at the arterial end. C) the net filtration pressure of the interstitial fluid is higher at the arterial end than it is at the venous end. D) the net filtration pressure of the interstitial fluid is higher at the venous end than it is at the arterial end. E) the osmotic pressure is higher at the arterial end than it is at the venous end.2 The fluids reenter the capillaries at the venous end because... A) the net filtration pressure of the blood is higher at the arterial end than it is at the venous end. B) the net filtration pressure of the blood is higher at the venous end than it is at the arterial end. C) the net filtration pressure of the interstitial fluid is higher at the arterial end than it is at the venous end. D) the net filtration pressure of the interstitial fluid is higher at the venous end than it is at the arterial end. E) the osmotic pressure is higher at the venous end than it is at the arterial end.3 Approximately what percent of fluid that exits the capillaries at the arterial end renters the capillaries at the venous end? A) 60% B) 70% C) 80% D) 90% E) 100%4 The lymphatic capillaries reabsorb as much as 20% of the fluid lost by the blood capillaries. A) True B) False5 The net osmotic pressure is equal at both the arterial and the venous ends of the capillary. A) True B) False

Answers

Due to the blood's net filtration pressure being higher just at arterial end that it is at the venous end, fluids exit the capillaries there.

Explain the function of capillaries?

Your body is filled with tiny blood channels called capillaries. To the cells in the organs and bodily systems, they deliver blood, nutrients, and oxygen. The tiniest blood veins in your circulatory system are called capillaries.

Capillaries join veins and arteries to complete the circulatory system:

Your organs receive oxygen-rich blood from your heart through arteries.The body uses veins to eliminate waste and low-oxygen blood.

Many organs and systems are supported by capillaries as well. They advocate for the

by allowing fresh blood cells to infiltrate your bloodstream, bone marrow.blood-brain barrier, which is formed by the brain. This structure protects against the passage of contaminants while supplying nutrients to the brain.Endocrine system, which does this by sending hormones to particular organs

Thus, due to the blood's net filtration pressure being higher just at arterial end that it is at the venous end, fluids exit the capillaries there.

To know more about the capillaries, here

https://brainly.com/question/29358152

#SPJ1

The correct question is-

Why do fluids leave the capillaries at the arterial end?

- The net filtration pressure of the blood is higher at the arterial end than it is at the venous end.

- The net filtration pressure of the blood is higher at the venous end than it is at the arterial end.

- The net filtration pressure of the interstitial fluid is higher at the arterial end than it is at the venous end.

- The net filtration pressure of the interstitial fluid is higher at the venous end than it is at the arterial end.

- The osmotic pressure is higher at the arterial end than it is at the venous end.

Select the correct answer.
Sonar stands for *sound navigation and ranging." what assumption was proved wrong after the invention of sonar?
O A.
The age of the ocean floor is variable.
O B.
The ocean floor is featureless. iS
• C.
The ocean floor is changing.
• D.
The ocean floor is denser than continental crust.

Answers

The correct answer is B. The ocean floor is featureless. The invention of sonar proved this assumption to be wrong as sonar technology allows for mapping of the ocean floor and has revealed that it is not featureless but rather has a complex topography with mountains, valleys, and other features.

select the characteristics exhibited by glycocalyx of eukaryotic cells, check all that apply.
-outermost surface cells
-composed of protein
-composed of polysaccharides
-means of adhering to other cells
-means of locomotion
-signal reception

Answers

A) Hydrophobic nature: The glycocalyx of eukaryotic cells is composed of polysaccharides and proteins that have hydrophobic properties.

What is hydrophobic ?

Hydrophobia is a fear of water. It is a type of specific phobia, which is an irrational fear of a specific object or situation. Hydrophobic reactions are also seen in some chemical compounds, which are repelled by water. These compounds are known as hydrophobic molecules and are a type of amphiphilic molecules which contain both hydrophobic and hydrophilic parts. These molecules form a protective coating when they come into contact with water, which helps them to repel the water and make it difficult for the water to interact with the molecule.

To learn more about hydrophobic

https://brainly.in/question/9431267

#SPJ1

energy required by the cell is generated in the form of atp. atp is hydrolyzed to power many of the cellular processes, increasing the pool of adp. as the relative amount of adp molecules increases, they can bind to glycolytic enzymes, which will lead to the production of more atp. the best way to describe this mechanism of regulation is:

Answers

Option B) Allosteric activation  and activation is the process of controlling the shape of an enzyme's active site to allow or prevent substrate entry.

Energy required by the cell is generated in the form of ATP. ATP is hydrolyzed to power many of the cellular processes, increasing the pool of ADP. As the relative amount of ADP molecules increases, they can bind to glycolytic enzymes, which will lead to the production of more ATP. The best way to describe this mechanism of regulation is allosteric activation

Some enzymes have more than one active site. The other site(s) is called allosteric site.

In this case, ADP released from the glycolytic reactions binds to the allosteric sites of glycolytic enzymes, activating them and causing further breakdown of glucose, hence ATP continues to be generated.

ATP + H2O ---> ADP + Pi + free energy

Learn more about  ATP.

https://brainly.com/question/15543060

#SPJ4

Full Question: Energy required by the cell is generated in the form of ATP. ATP is hydrolyzed to power many of the cellular processes, increasing the pool of ADP. As the relative amount of ADP molecules increases, they can bind to glycolytic enzymes, which will lead to the production of more ATP. The best way to describe this mechanism of regulation is ________.

a. transcription

b. allosteric activation

c. feedback inhibition

d. cellular respiration

for many years microbial geneticists focused almost exclusively on the regulation of transcription initiation. a likely reason for this is

Answers

For many years, microbial geneticists focused almost exclusively on the regulation of transcription initiation because it is a crucial step in gene expression and is responsible for controlling the amount of mRNA that is produced from a gene.

Transcription initiation is the process by which RNA polymerase binds to the promoter region of a gene, unwinds the DNA double helix, and begins to synthesize a new RNA molecule.

One likely reason for this focus on transcription initiation is that it is a key point of control in gene expression. By regulating this, cells can control the amount of mRNA that is produced from a gene, which in turn affects the amount of protein that is ultimately synthesized.

Additionally, advances in molecular biology techniques, made it easier to study transcription initiation and other aspects of gene expression. This has led to significant progress and paved the way for the development of new therapeutic strategies based on the manipulation of gene expression.

To learn more about RNA click here:

https://brainly.com/question/14317249

#SPJ4

in a hypothetical embryo, a high concentration of a morphogen called morpho is needed to activate gene p; gene q is active at or above medium concentrations of morpho; and gene r is expressed so long as any quantity of morpho is present. a different morphogen, called phogen, activates gene s and inactivates gene q when at medium to high concentrations. if morpho is produced in the anterior end of the embryo and phogen is produced in the posterior end of this embryo, which genes will be expressed in the middle region of the embryo? (assume a gradient of morphogen concentrations in three regions, from high at the source, to medium in the middle, and to low at the opposite end.)

Answers

If morpho and phogen are diffusing from where they are produced at the opposite ends of the embryo, the genes that will be expressed in region 2 of this embryo are Genes R and S (D).

Based on the information provided, we can infer that the concentration of morpho and phogen varies along the length of the embryo, with high concentration at the source and low concentration at the opposite end. In region 2 of the embryo, the concentration of morpho is at a medium level, which is sufficient to activate gene Q but not gene P. At the same time, the concentration of phogen is also at a medium level, which will inactivate gene Q but activate gene S. Therefore, in region 2, genes Q and S will be expressed, while genes P and R will not be expressed. Therefore, the correct answer is (d) genes R and S

To read more about embryo, click on https://brainly.com/question/1673695

#SPJ4

The given question is incomplete. The complete question is as follows:

In this hypothetical embryo, a high concentration of a morphogen called morpho is needed to activate gene P ; gene Q is active at medium concentrations of morpho or above; and gene R is expressed as long as there is any quantity of morpho present. A different morphogen called phogen has the following effects: activates gene S and inactivates gene Q when at medium to high concentrations. If morpho and phogen are diffusing from where they are produced at the opposite ends of the embryo, which genes will be expressed in region 2 of this embryo? (Assume diffusion through the three regions from high at source to medium in the middle to low concentration at the opposite end.)

a. genes P, Q, R, and S

b. genes P, Q, and R

c. genes Q and R

d. genes R and S

e. gene R

these glands have ducts and excrete their products onto the surface of the skin or into the lumen of hollow organs.

Answers

Exocrine organs have conduits and discharge their items onto the outer layer of the skin or into the lumen of hollow organs. The correct option(B).

Exocrine organs are organs that discharge their items, like chemicals, catalysts, and bodily fluid, onto the outer layer of the skin or into the lumen of empty organs through conduits. These conduits transport the discharges from the organs to the objective site, where they assume significant parts in keeping up with the body's homeostasis and well-being. Instances of exocrine organs incorporate perspiration organs, salivary organs, and the organs in the stomach-related framework that discharge stomach-related catalysts. Interestingly, endocrine organs are organs that discharge their items, like chemicals, straightforwardly into the circulatory system, where they can be conveyed to target empty organ cells and tissues all through the body. The endocrine framework works related to the sensory system to control the body's capabilities and keep up with its homeostasis.

Learn more about hollow organs here:

brainly.com/question/1301521

#SPJ4

Q-These glands have ducts and excrete their products onto the surface of the skin or into the lumen of hollow organs.

A. Elastic

B. exocrine

C. Dendtrite

D. hyaline cartilage

Red-green color blindness is a sex-linked recessive trait in humans. Two people with normal color vision have a color-blind son. What are the genotypes of the parents?
•XnXn and XnY
•XnXn and XNY
•XNXn and XNY
•XNXN and XNY
•XNXN and XnY

Answers

As a result, the parents' genotypes are XNXr (for the father) and XnXn (for the mother), where Xn stands for the normal allele and Yr for the color blindness allele.

color blindness If a boy with red-green color blindness is born to two persons with normal color vision, then both parents must be red-green color blindness carriers. They each have one X chromosome that is normally paired with one X chromosome that carries the color blindness allele.As you can see, their son has a 50% chance of carrying the Xn chromosome and the Xr chromosome, making him a carrier of the color blindness trait.However, he also has a 50% chance of receiving the Xr chromosome from both of his parents.

Red and green in particular are affected by color blindness, a hereditary disorder that impairs the capacity to distinguish between them. It is also referred to as a color vision impairment.

learn more about Red-green color blindness here

https://brainly.com/question/2094919

#SPJ4

in 2009, researchers conducted necropsies (dissections of dead organisms to determine the possible cause of death) of 117 dead bats. there was microscopic evidence of fungal infection in 105 of the bats. what conclusions could you draw from this information?

Answers

We can conclude that a large majority of the dead bats showed evidence of fungal infection.

Specifically, 105 out of 117 bats had microscopic evidence of fungal infection. This suggests that fungal infection may be a significant contributing factor to the deaths of these bats. Further investigation may be needed to identify the specific type of fungus causing the infections and to determine the underlying reasons for the outbreak. It is also possible that other factors may be contributing to the deaths of these bats, and additional research may be needed to identify and understand these factors. From the given information, we can conclude that a large majority of the dead bats showed evidence of fungal infection. Specifically, 105 out of 117 bats had microscopic evidence of fungal infection.

Learn more about fungus :

https://brainly.com/question/11264030

#SPJ4

Other Questions
What aspects of manufacturing did James Watts invention change the most dramatically? (Select all that apply.) the manufacture of household goods such as pots and pans the time it took to get materials to workers and products to consumers cottage industries such as spinning and weaving the need to build factories close to running water a voluntary association is typically a nonprofit organization formed to pursue some common interest. the american conviction that native cubans and filipinos were not ready for self-governance after their liberation from spain reflected the belief that How being awarded a bursary could enable you to succeed at tertiary institutions A random sample of 40 hotel reviews is drawn from a large population of hotel customers. It's known that 30% of the population left the hotel 1 star, 20% left 2 stars, 20% left 3 stars, and 30% left 4 stars. Give the standard deviation of the hotel's star rating.The choices are:0.18910.18930.19040.1934 5pointseBookPrintReferencesCheck my workCheck My Work button is now enabledItem 1Each Tuesday, Ryan Airlines reduces its one-way ticket from Fort Wayne to Chicago from $175 to $35. To receive this special $35 price, the customer must buy a round-trip ticket. Ryan has a nonrefundable 20% penalty fare for cancellation; it estimates that about nine-tenths of 1% will cancel their reservations. The airline also estimates this special price will cause a passenger traffic increase from 500 to 700. Ryan expects revenue for the year to be 53.6% higher than the previous year. Last year, Ryans sales were $481,000. To receive the special rate, Janice Miller bought two round-trip tickets. On other airlines, Janice has paid $155 round trip (with no cancellation penalty).Calculate the percent passenger travel will increase How did the state of Florida compensate the victims of the Rosewood attack? Is this fair? What is the surface area? 5 yd 10 yd 7 yd square yards 1. Use gerunds to re write the sentences without changing the original meaning 1. I can do what I want and you can't stop me You Ken borrowed $6,000 for 4 years at a rate of 7% simple interest per year. How much interest will ken have to pay after paying back the borrowed amount?. A force F is exerted on a 2.0 kg block to move it across a rough surface. The magnitude of the force is initially 5 N, and the block moves at constant velocity. While the block is movingthe force is instantaneous increases to 12 N. How much kinetic energy does the block now gain at it moves a distance of 2 m? 2. Contrasting Use your notes to write a paragraph contrasting the battle atChickamauga Creek with the battle at Gettysburg. When Rob and Danielle got married, they invited 200 people. Eightypercent of the invitees sent back the RSVP card. Ninety percent of thepeople who sent in an RSVP said they would attend. When the weddingday arrived, 7 people who had responded yes did not show up, but halfof the people who had responded no did show up. One-fourth of thepeople who had not sent in an RSVP showed up. They had chairs for150 people. Were they able to accommodate everyone? the half-life of radium-226 is 1620 years. what percentage of a given amount of the radium will remain after 1200 years? Which biome, because of its climate, has the largest number of species of plants and animals? a) Tundra, b) Desert, c) Tropical rainforest, d) Pine forest The War in Europe and the Pacific: Mastery TestSelect the correct answer from each drop-down menu.Choose the best word or phrase to complete this paragraph about the home front during World War II.resources,When the United States entered World War II, it affected the lives of Americans in many ways. People were asked tosuch as food, oil, and gas. The government also encouraged people to purchaseto help the country financially duringthe war. More and morestarted working in all industries during the war.ResetNext Which crop did texas farmers produce the most of in the years after the civil war?. TERM 1 INFORMAL TASKHUMAN RESOURCES FUNCTIONACTIVITY 5TOTAL: 585.1 Read the scenario below and answer the questions that follow.EZWENI FURNISHERS (EF)Ezweni Furnishers have appointed Themba and Thoko as sales managers. They are both paidaccording to the number of units sold. They also enjoy fringe benefits offered by EF5.1.1 Identify the method used by EF to determine Themba and Thoko's salaries. Motivateyour answer by quoting from the scenario.(3)5.1.2 Explain differences between TWO salary determination methods.5.1.3 Evaluate the impact of fringe benefits on businesses.5.4 Essay question(8)(8) A. Explain, according to the words of Prof. Zakovitz, why the scroll of Ruth does not belong to the periodThe judges, even though the opening of the scroll states that some of its events took place during this period?B. Prof. Zakovich mentions in his lecture two biblical laws from the field of agriculture. (Starting in minute7:50) Explain in your own words what the laws are and what their purpose is. (Also help in Leviticus 23:22and Deuteronomy 24:19).third. According to Prof. Zakovich, Boaz acts in accordance with these laws and is his behavior compatiblethe attitude towards foreigners in the scroll. Prove your answer from the scriptures. You launch an object off a 55-foot cliff. If the object was launched at 85 feet/second,determine how long it will take for the object to hit the ground below. NEAREST TENTH