The next generation of lizards has 1092 individuals with green scales and 108 individuals with blue scales. is the population in hardy-weinberg equilibrium? solve for p and q.
Compare the frequencies here with those in the previous question. Then answer: Is the population in Hardy-Weinberg Equilibriam (yes or no)
PREVIOUS FREQUENCIES::
p=0.8
q=0.2
p^2=0.64

Answers

Answer 1

The population is not in hardy weinberg equilibrium, because it does not match the previous generation.

What is the population in Hardy-Weinberg Equilibrium?

The frequency of individuals = individuals/total population

The frequency of Green individuals = 1092/1200

The frequency of Green individuals = 0.91

                                                       q² = 0.91

                                                    √ q² = √0.91

                                                         q = 0.953

By using the first Hardy-Weinberg equation:

                                                                p + q   = 1

                                                                p + 0.953 = 1

                                                                p   = 1 - 0.953

                                                                p    = 0.046

Therefore, the population does not match the previous generation.

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Related Questions

Red blood cells carry antigens on their surfaces coded for by alleles of the gene designated by the letter i. Ia is dominant to i and produces antigen a on the surface of red blood cells. The ib allele is also dominant to the i allele and produces antigen b on the surface of red blood cells. The i allele does not produce surface antigens.

Answers

Red blood cells carry antigens on their surfaces that are determined by alleles of the gene designated by the letter "i". The Ia allele is dominant over the i allele and produces antigen "a" on the surface of red blood cells.

The ib allele is also dominant to the i allele and produces antigen "b" on the surface of red blood cells. The i allele does not produce any surface antigens. This information can be useful in blood transfusions and understanding the immune system, as an individual with the Ia allele will have red blood cells with antigen "a" on their surface and an individual with the ib allele will have red blood cells with antigen "b" on their surface. These antigens can trigger an immune response if mismatched during a blood transfusion, so it is important to match blood type based on these antigens.

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When populations share their environment and interact with populations of other species, it is called a.

Answers

When populations share their environment and interact with populations of other species, it is called a community.

A community is a group of different populations of organisms that live together and interact with each other within a defined geographical area. In a community, populations of different species may compete with one another for resources such as food, water, and shelter, or they may interact in mutually beneficial ways, such as through symbiosis.

Interactions between different populations in a community can have profound effects on the structure and function of the community as a whole. For example, predator-prey interactions can help regulate population sizes, while mutualistic interactions, such as between plants and pollinators, can promote the survival and reproduction of both populations.

The study of communities and their interactions is a fundamental part of ecology, which seeks to understand the relationships between organisms and their environment. Understanding community dynamics is important for managing natural resources, predicting the effects of human activities on the environment, and conserving biodiversity.

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A plant cell is placed in a solution containing 10% sodium chloride. This
concentration is much greater than the concentration inside the cell. As a result,
water moves from inside the cell to outside the cell causing it to shrivel and die. What Type of Transport?

Answers

The movement of water from inside the cell to outside the cell causing it to shrivel and die is a type of passive transport.

What is a passive transport?

A passive transport is a kind of transport in biology that does not involve the input of energy in form of ATP.

This means that substances move from a region of higher concentration to a region of lower concentration.

According to this question, a plant cell is placed in a solution containing 10% sodium chloride. This concentration is much greater than the concentration inside the cell.

As a result, water moves from inside the cell to outside the cell causing it to shrivel and die. This depicts a passive transport.

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Which of the following is a description of an example of the second law of thermodynamics?

Answers

Description of an example of the second law of thermodynamics are mentioned below.

What is first law of thermodynamics ?

The first law states that if heat is considered to be an energy type, then the overall energy of a system, including its surrounds, is conserved, or that the total energy of the universe stays constant.

What is second law of thermodynamics ?

According to the second law, if a physical process is irreversible, the combined entropy of the system and its surroundings must rise. For a process to be irreversible, the ultimate entropy needs to be higher than the starting entropy: Sf > Si (irreversible process) (irreversible process).

The model of a heat engine is a well-known illustration of the second rule of thermodynamics. In heat engines, a piston is propelled by a cycle of rising and falling temperatures. The amount of work that can be generated by the shifting temperatures in a heat engine is determined by the second law of thermodynamics.

Therefore, description of an example of the second law of thermodynamics are mentioned above.

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The haploid cells of a kangaroo contain 8 chromosomes. How many chromosomes are in a kangaroo's diploid cells?.

Answers

The number of chromosomes in a kangaroo's diploid cells is 16, as opposed to the haploid cells 8 chromosomes.

In a kangaroo's diploid cells, how many chromosomes are there?

Chromosome number 20 in the red kangaroo is diploid (2n = 18+XY, 2n = 18 + XX). All chromosomes can be distinguished morphologically, with the exception of chromosomes 8 and 9, which can be distinguished by G-banding (Rofe 1979).

How many chromosomes do kangaroos have that are haploid?

The important thing to remember is that these are haploid. We are aware everything is ok. We may show that 1 end would equal 8 points by dividing each side by 2 if 2 n equals 16. Therefore, this kangaroo has a haploid number of 8.

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A species of bird has migrated to an island where their population is growing rapidly due to a lack of predators. Identify three limiting factors to the population size, and describe the effect of each.

Answers

Answer:

A species of bird that has migrated to an island where their population is growing rapidly due to a lack of predators may experience the following limiting factors:

Food resources: One limiting factor could be the availability of food resources. If the bird population grows too quickly and consumes all of the available food, the population may be limited by a lack of food. This can result in reduced growth, starvation, and decreased survival rates.Disease: Another limiting factor could be the presence of disease. If a disease outbreak occurs, it could reduce the population size and limit its growth.Breeding habitat: The bird population may also be limited by the availability of suitable breeding habitat. If the island becomes overcrowded, the birds may not have access to enough space to build nests, mate, and rear their young. This could result in decreased breeding success, reduced population growth, and ultimately a decrease in population size.

In conclusion, the growth of the bird population on the island may be limited by the availability of food resources, the presence of disease, and the availability of suitable breeding habitat. These factors can have a significant impact on the population size and its ability to sustain itself over time.

A limiting factor is anything that constrains a population's size and slows or stops it from thriving. The law of the size of a population, a population will grow exponentially as long as the environment to which all individuals in that population are exposed remains constant. Thus, if the environmental conditions are kept the same, the population of the birds is expected to grow. However, there will come a time when the population will reach the maximum at which the environment can sustain itself. This is called the carrying capacity, the maximum load of the environment, Above this capacity, the population size will eventually decrease. The determiners of carrying capacity are limiting factors. The common limiting factors in an ecosystem are food, water, habitat, and mate. As their population increases, food demand increases as well. Since food is a limited resource, organisms will begin competing for it. The same thing goes for space, nutrients, and mates. Since these resources are available for a limited amount over a given period of time, inhabitants of a particular ecosystem will compete, possibly against the same species (intraspecific competition) or against other groups of species

Earth's atmosphere blocks much of the light that astronomers need to observe distant stars. To get around this problem, nasa put a powerful telescope-.

Answers

The majority of the light light astronomers use to study far-off stars is blocked by the Earth's atmosphere. NASA installed a parabolic dish in orbit around the planet to circumvent this issue.

Do you take a breath of the air?

arbitrary fact The atmosphere of the Earth is where we find the oxygen we breathe. Did you know that the atmosphere that makes up the coating of air we breathe could be as thin as the apple's skin if the planet were an apple?

The composition of the atmosphere

About 78% of the gases in the Earth's atmosphere are nitrogen, 21% are oxygen, 0.9 % are argon, and 0.1 % are other gases. The other 0.1 percent of gases includes trace quantities of neon, water vapor, methane, carbon dioxide, and methane.

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Which of the following statements about
theories is true?
O Theories are based on certain assumptions.
O Theories change to incorporate new findings.
O Theories and research are interwoven.
O All of these.

Answers

Theories change to incorporate new findings.

What are theories in science?

In science, a theory is a well-substantiated explanation of some aspect of the natural world that is based on a body of facts that have been repeatedly confirmed through observation and experiment. Theories provide a framework for understanding and making predictions about a particular phenomenon.

A scientific theory is not the same as a "theory" in everyday usage, where it often refers to a speculative idea or an opinion. In science, a theory must be supported by a large body of empirical evidence and must be able to withstand rigorous testing and scrutiny from the scientific community.

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Can someone help me with this phone pls it’s due asap

Answers

New technologies has allowed scientists to build cladograms based on similarities in DNA. Thus, option A is correct.

What is cladogram?

A cladogram is a diagram of branches that show the cladistic relationship between animal species. A node you can expect to find on the cladogram would be Deuterostome development. Examples of deuterostomes are starfish and sea cucumbers.

Recombinant DNA technology can be defined as the process that involves manipulation of genetic material of an organism to get the desired trait or product.

Therefore, New technologies has allowed scientists to build cladograms based on similarities in DNA. Thus, option A is correct.

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How are moles and particles related? how would you find the number of particles in 4 moles of a substance?.

Answers

6.022 × 10²³ units of a material make up one mole of that substance .numer of particles in 4 mole of substance can be found like this : 4×6.022 × 10²³= 24.088 × 10²³ particles.

What is 6.022× 10²³ called? who is it named after?

it is called the Avogardo number or the Avogadro constant and is named after Ameo Avogadro  was was an Italian physicist best known for his contribution to the theory of molecules, which is today known as Avogadro's law and asserts that equal volumes of gases at the same temperature and pressure will have the same number of molecules. The Avogadro constant,  is the ratio of a substance's amount of substance (which has the unit mole) to the number of elementary entities (atoms, molecules, ions, or other particles) in that material. One of the seven defining constants of the SI, this constant is designated NA.

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What human problems might cloning address in the future?

Answers

Problems  human might address about cloning in the future include larger babies at birth and a range of birth abnormalities in crucial organs like the liver, brain, and heart.

What are the advantages of cloning?

Cloned animals are better breeders that are used to create healthier progeny. Cloning animals has enormous advantages for consumers, producers, and threatened species: To produce more wholesome and safe food, farmers and ranchers can use cloning to speed up the reproduction of their most productive livestock.

Cloning people has drawbacks, including larger babies at birth and a range of disorders in crucial organs including the liver, brain, and heart. Premature aging and immune system issues are further implications. The relative age of the chromosomes in the cloned cell is a different potential issue.

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What are the labels of this heart diagram?

Answers

Structure of Heart

The heart is made up of four chambers. The heart has two chambers on the top (atrium, plural atria) and two on the bottom (ventricles), one on each side.

Right atrium: Two major veins carry oxygen-depleted blood to the right atrium. The superior vena cava transports blood from your upper body to your heart. The inferior vena cava transports blood from the lower body to the heart. The right atrium then pumps blood to your right ventricle.

The pulmonary artery transports oxygen-depleted blood from the lower right chamber to the lungs. The lungs are responsible for replenishing the oxygen in the blood.

The pulmonary veins transport the blood to the left atrium once the lungs have filled it with oxygen. This upper chamber is responsible for pumping blood to your left ventricle.

The left ventricle is somewhat larger than the right. It moves oxygen-rich blood across your body.

The heart valves

Your heart valves function as gates between your heart chambers. They open and close to let blood flow.

The atrioventricular (AV) valves interconnect your heart's upper and lower chambers. They are as follows:

Tricuspid valve: A valve that connects your right atrium to your right ventricle.

Mitral valve: The valve that links the left atrium to your left ventricle.

Semilunar (SL) valves open as blood rushes out of your ventricles. They are as follows:

When blood travels from your left ventricle to your aorta, the aortic valve opens (the artery that carries oxygen-rich blood to your body).

The pulmonary valve opens as blood flows from your right ventricle into your pulmonary arteries (the only arteries that carry oxygen-poor blood to your lungs).

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What is a solution's molarity, if its absorbance is 0.4?​

Answers

The molarity is 0.07 M when the absorbance is 0.4

What is Molarity?

Molarity is a unit of concentration that measures the amount of a solute present in a solution in terms of the number of moles of solute per liter of solution. Mathematically, it is defined as the ratio of the number of moles of solute to the volume of the solution in liters:

Molarity (M) = number of moles of solute / volume of solution in liters

In the problem, the plot of absorbance against molarity is attached and the graphed is used to read the molarity when the absorbance is 0.4.

The value from the graph is 0.07 M

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What can humans do to make the renewable forest resources last longer?

Answers

Answer:

Sustainable forestry practices: This involves using techniques such as selective logging and reforestation to ensure that forest resources are used in a responsible and sustainable manner, without damaging the ecosystem.

Protection of forests: Protecting forests from illegal logging, fires, and other forms of destruction can help to ensure that these resources remain intact for future generations.

Reduced deforestation: Deforestation is a major contributor to the loss of forest resources, so reducing deforestation is crucial in maintaining forest cover. This can be achieved by promoting sustainable agriculture and other land-use practices that reduce the need to cut down forests.

Efficient use of forest products: Making more efficient use of forest products, such as paper and wood, can reduce the amount of resources required and help to extend their lifespan.

Increased reforestation: Planting new trees can help to replace those that have been lost, and increase the overall forest cover.

Restoration of degraded forests: Restoring degraded forests can help to rebuild the health of these ecosystems and support the recovery of forest resources.

Explanation:

Answer:

Reducing the use of forest resources can enable humans to make it last longer.

Explanation:

A reduction in the use of forest resources can help with the mitigation process. Mitigation can be defined as the reduction of loss during any natural disaster. Forest is a rich source of oxygen, so we have to be very careful about the conservation of forest resources. It also serves numerous others functions like it can be used as a shelter for different animals and birds. We have to minimize the use of forest products.

Question 4 of 10
How is a scientific theory developed?
O A. An experiment is repeated over and over with the same results.
B. A single experiment is carefully performed once.
C. One scientist supports his or her hypothesis with an experiment.
D. Many different experiments are repeated many times.

Answers

A scientific theory is developed by:

D. Many different experiments are repeated many times.

What is scientific theory

A scientific theory is a well-substantiated and widely accepted explanation of some aspect of the natural world that is based on empirical evidence and has been repeatedly tested and confirmed through experimentation and observation.

Scientific theories are built upon a foundation of previous scientific knowledge and are subject to ongoing refinement and revision as new data becomes available. They are considered the most robust and comprehensive explanations of natural phenomena that currently exist and provide a framework for understanding how the natural world operates. Examples of well-established scientific theories include the theory of evolution, the theory of gravity, and the theory of relativity.

The development of a scientific theory is a long and rigorous process that involves multiple lines of evidence and repeated experimentation. It typically involves many scientists from different fields and backgrounds working together over a period of years or even decades to collect data and perform experiments that support or contradict a given hypothesis.

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Estimate the probability of this disorder occurring in the offspring of a marriage between first cousins. Enter your answer as either a fraction or a decimal. Part B Compare this probability to the population at large. Inbreeding increases the probability of this disorder. Inbreeding decreases the probability of this disorder. Inbreeding does not change the probability of this disorder.

Answers

Part A -The likelihood of having Autosomal Recessive Disorder is 1 in 10,000 people = 0.0001.

Part B - Inbreeding increases the probability of disorder.

Autosomal Recessive Disorder inheritance is the way genetic traits or conditions are passed from parent to child. Genetic conditions can occur when a child inherits a mutated (altered) copy of the gene from each parent. Parents of children with an autosomal recessive disorder usually do not have the disorder. Consanguineous offspring may be at increased risk for recessive diseases due to the expression of autosomal recessive gene mutations inherited from a common ancestor.

The following Genotypes can be found in the first two cousins:

A stands for dominant allele.

a denotes a recessive allele.

1) AA X AA

Normal for all offspring.

There are no problems.

2) AA X Aa

Genotype of offspring = AA and Aa.

Because the phenotype is normal, the condition does not exist.

3) Aa X Aa

Genotype of offspring = AA, Aa, and aa.

The condition affects one-quarter of all offspring.

1/4 are typical,

Half of them are carriers.

4) aa X aa

All offspring are afflicted by the condition.

If we assume the cousins to be carriers[because their genotype is not indicated, we will consider them to be carriers], affected kids are generated.

Carriers' probability = 0.02

By 1/2, both cousins are carriers.

And the likelihood that the child may be impacted - 1/4 or 25%

Total Probability is equal to 1/2 * 0.02 * 1/2 * 0.02

= 0.0001

As a result, the pair might have afflicted offspring by 0.0001.

Possessing the normal alleles has no effect on 25% of people; carrying one impacted and one unaffected allele has no effect on 50% of people. Carrying the afflicted Alleles affects 25% of the population.

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Most animals avoid eating monarch butterflies due to their bad taste.
Viceroy butterflies look very similar to the monarchs,
Which of these best explains how the viceroy butterfly benefits
from looking like the monarch butterfly?
A Viceroy butterfiles are able to reproduce with the monarch butterflies,
B Viceroy butterflies are able to deter predators in the same way as
the monarch butterflies,
C Viceroy butterflies are able to follow the migratory patterns of the
monarch butterflies.
D Viceroy butterflies are able to find additional sources of food used
by the monarch butterflies.

Answers

Answer: B

Explanation: Since Monarchs are able to deter predators due to their colors/ appearance, by looking similar, the viceroy butterflies are also able to do the same

B Viceroy butterflies are able to deter predators in the same way as the monarch butterflies.

How the viceroy butterfly benefits from looking like the monarch butterfly?

The viceroy butterfly benefits from looking like the monarch butterfly because predators have learned to associate the distinctive orange and black coloration of monarchs with a bad taste, and they avoid eating them.

By looking like the monarch, the viceroy butterfly is able to deter predators and increase its chances of survival. This is an example of Batesian mimicry, where a harmless species (viceroy butterfly) mimics the warning signals of a harmful species (monarch butterfly) to avoid being eaten.

The viceroy butterfly has evolved to look very similar to the monarch butterfly, which has a bad taste and is toxic to predators. By mimicking the appearance of the monarch, the viceroy benefits from the monarch's protection, even though it is not toxic itself.

This is an example of Batesian mimicry, a type of mimicry in which a harmless species evolves to resemble a toxic or dangerous species in order to deter predators.

In this case, the viceroy butterfly gains protection from predators without having to expend the energy or resources to produce toxins itself. This is a beneficial adaptation, as it allows the viceroy to survive and reproduce in environments where predators are abundant.

By looking like the monarch butterfly, the viceroy is able to avoid being eaten, and can continue to thrive and pass on its genes to future generations.

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Scientists want to estimate the time when two species began evolving separately from a common ancestor. What would be the most useful strategy for calculating this estimate?.

Answers

The best method for arriving at this estimate is to compare the DNA sequences from the same gene in each species. Therefore, choice A is correct.

Scientists are trying to determine when two species started diverging from a common ancestor.

DNA sequence differences between the two species is the most useful data used by the scientist for the estimation of the molecular clock. It is a figurative term used for determining the mutation rate and to deduce the time in the prehistory when two or more lives diverged.  

It has granted paleontologists to reveal the story of the evolution over millions of years. If there is any change in the molecular clock it is termed as molecular evolution. If a clock is said to be the good molecular clock only when it contains the evolution of different genes at different rates which helps us to evolve the prehistoric period completely.

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complete question -

Scientists want to estimate the time when two species began evolving separately from a common ancestor. What would be the most useful strategy for calculating this estimate?

A. Comparing DNA sequences from each species for the same gene

B. Comparing DNA sequences from each species for different genes

C. Comparing the length size or weight of an average member of each species

D. Identifying the traits of the common ancestor

Describe the importance of a microorganism’s requirements for temperature, O2, pH, and water availability, and define the terms that indicate these requirements.

Answers

Microorganisms require specific conditions in order to thrive, such as a suitable temperature, oxygen availability, pH level, and water availability. Temperature requirements are the minimum and maximum temperatures that a microorganism can tolerate, while oxygen availability indicates how much oxygen is needed for the microorganism to survive. pH requirements refer to the optimal level of acidity or alkalinity that a microorganism needs, while water availability refers to the amount of water that must be present for the microorganism to survive. All of these factors play an important role in a microorganism's survival, and without the proper conditions, a microorganism may not be able to survive.

True or False:
For a new species to arise, some individuals of a species
must become reproductively isolated from the others. (Ex.
Squirrels being separated by an uncrossable river.)
TRUE
FALSE

Answers

Answer: true

Explanation:

It has not stopped raining in northwest Washington State for the past four days. As a result of this rain, a large mudslide occurred, blocking traffic on a major highway before flowing into a local river that had already overflowed its banks due to the excess rain that had been falling. What step to managing a water source will need to be performed as a result of this mudslide and excess rain?


measuring the stage-discharge relation


measuring stream stage


measuring discharge


measuring runoff

Answers

The step that would be the most relevant here would be measuring the stage-discharge relation

What is the important step that is to be used here

All of the options you listed are important steps in managing a water source in response to a situation like this mudslide and excess rain. However, measuring the stage-discharge relation is likely the most relevant in this particular scenario.

The stage-discharge relation refers to the relationship between the height of the water in a stream or river (stage) and the flow rate of the water (discharge). Measuring this relationship can help to assess the flow rate and volume of water in the river, which is important information for managing a water source in the aftermath of a mudslide and excess rain.

By knowing the stage-discharge relation, you can determine the amount of water flowing in the river and assess the risk of further flooding or other negative impacts. This information can then be used to make informed decisions about how to manage the water source, such as adjusting the release of water from upstream reservoirs or taking other measures to reduce the risk of further flooding.

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September 22 is the beginning of ________ in the southern hemisphere.

autumn
spring
summer
winter

Answers

Answer:
Spring
Explanation:
September 22 marks the beginning of spring in the southern hemisphere.

Hope it helps!

What process is occurring at Location A?

Combustion
Photosynthesis
Respiration
Weathering

Answers

In location A, photosynthesis is taking place. Chlorophyll, which plants use to absorb solar energy and transform it into chemical energy through the process of photosynthesis, gives foliage their characteristic green colour.

Which cycle involves photosynthesis, respiration, combustion, and other processes?

The carbon cycle shows how the element carbon naturally moves through the atmosphere in a variety of ways. The photosynthesis, respiration, exchange, sedimentation, extraction, and combustion are the six major steps in the carbon cycle. The majority of these work with CO2, which is a form of carbon [7].

What exactly does photosynthesis entail?

Photosynthesis is the mechanism by which plants turn carbon dioxide, water, and sunlight into oxygen and sugar-based energy.

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What is the cell membrane, what is its function and structure, and how does it work?

Answers

Answer:

The cell membrane, also known as the plasma membrane, is a thin, semipermeable membrane that surrounds the cytoplasm of a cell and separates it from the external environment. Its main function is to control the movement of substances into and out of the cell, as well as to maintain the cell's internal environment. The cell membrane is composed of a phospholipid bilayer, with proteins and carbohydrates embedded in it.

The cell membrane works by having molecules move from an area of higher concentration to an area of lower concentration. This movement is caused by the molecules having kinetic energy, which causes them to move around randomly. As they move, the molecules spread out, causing the concentration of the molecules to decrease in the area they are moving away from and to increase in the area they are moving towards. The cell membrane is semipermeable, meaning that it allows certain molecules to pass through it, while blocking other molecules. The molecules that are allowed to pass through the cell membrane must be small enough, and have the right type of charge, in order for them to fit through the phospholipid bilayer.

Answer:

What is Cell membrane : A thin membrane that surrounds the protoplasm of every cell.

Function : It provides rigidity and protection to the cell against variations in the environment. It also gives a definite shape, size and support to the cell.

Structure: It is an outer covering of the other cells organelles of the cell.

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Teresa wants to explore the relationship between kinetic energy and potential energy. How could she use innovative problem-solving?.

Answers

Teresa could be able to solve problems creatively in C. To demonstrate the relationship between kinetic and potential energy, she should choose a personal example of each and design an experiment to demonstrate it.

How does kinetic energy work?Kinetic energy is the energy that an object possesses as a result of motion.The effort necessary to move a mass-determined body from rest to the given velocity is what is referred to as the effort.In the absence of a change in speed, the body retains the kinetic energy it gained during acceleration.Option C is the best response because it best explains the link between kinetic energy and potential energy.

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Complete question : Teresa wants to explore the relationship between kinetic energy and potential energy. How could she use innovative problem-solving?

A. Follow the instructions of her science teacher for performing an experiment about kinetic and potential energy.

B. Search the internet for ways to show the relationship between kinetic and potential energy.

C. Find an example of kinetic and potential energy in her own life and create an experiment to illustrate their relationship.

D. Study the relationship between kinetic and potential energy in her science textbook.


Explain how a patient's neurological symptoms may give an indication of where in the brain an injury occurred.

Answers

Each part of the brain controls a different functionality therefore the symptoms would point your to the correct area of the brain that was injured.
Examples:
Frontal Lobe = motor control, speech, smell and concentration.
Temporal Lobe = Hearing
Occipital Lobe = Vision
(Just to name a few)

So a patient that has lost there vision would point to an occipital lobe injury, where as a person that was having trouble controlling body movements and speech would most likely have a Frontal Lobe injury.

Hope this helps

2. For the following DNA strand, intron sequences are underlined. Use this strand to write
out both the nRNA and mRNA sequence in the space below (2 marks).
AACAT GCTACATGG GATCATGCATGCATG CA

Answers

The nRNA and mRNA sequence will be:

AUGCA UCUGUCAACC GAUCAGUCAGUCAGU CGAUGCA UCUGUCAACC GAUCAGUCAGUCAGU CG

How to find mRNA sequence after splicing?

To determine the nRNA and mRNA sequence from the given DNA strand, you need to first transcribe the DNA into mRNA. This process is called transcription and involves copying the DNA sequence into a complementary RNA molecule, which is called messenger RNA (mRNA). During transcription, the introns are spliced out, and the exons (the parts of the DNA that code for protein) are joined together to form the final mRNA sequence.

So for the given DNA strand:

AACAT GCTACATGG GATCATGCATGCATG CA

The mRNA sequence would be:

AUGCA UCUGUCAACC GAUCAGUCAGUCAGU CG

The final mRNA sequence, after splicing out the introns, would be:

AUGCA UCUGUCAACC GAUCAGUCAGUCAGU CG

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In which aspects of cognition do middle-aged adults typically decline, and in which do they gain?
How do those changes reflect assumptions of the lifespan perspective? (pp. 524–531)

Answers

Middle-aged adults typically experience declines in their short-term memory, working memory, and processing speed.

What do you mean by memory?

Memory is basically the process by which information is encoded, stored, and retrieved. It is the ability to store and recall information and experiences. Memory is essential to all mental activities, including learning, reasoning, problem solving, decision making, and language.

They typically gain in their executive functioning, strategic thinking, and wisdom. These changes reflect the assumptions of the lifespan perspective, which posits that development is a continuous process of growth and decline. As individuals move through different life stages, they experience changes in their abilities and capacities due to experiences, learning, and aging. These changes are not necessarily linear, as some abilities may decline while others increase.

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Which part of the scientific method is best illustrated by the ecologist creating a plot of wetland and altering the salinity of the soil to different levels?

A) forming a hypothesis
B) setting up an experiment
C) communicating the results of a study
D) collecting data

Answers

B. Setting up an experiment

A protein has been produced inside a liver cell that needs to be transported to
the bloodstream. The protein is too large to fit through a membrane protein channel,
so the protein is packaged into a vesicle which merges with the plasma membrane,
releasing it to the blood vessel outside the cell. what type of transport?

Answers

If a protein has been produced inside a liver cell that needs to be transported to the bloodstream, and this protein is too large to fit through a membrane protein channel, so the protein is packaged into a vesicle which merges with the plasma membrane, then this type of transport is exocytosis.

What is exocytosis cell transport?

Exocytosis cell transport is a type of movement of a substance from the cell to the external media by invagination of its plasma membrane.

Therefore, with this data, we can see that exocytosis cell transport involves the invagination of the cell membrane.

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