How many sperm cells are formed from an original cell in a falcon at the conclusion of meiosis?
Answer:
four are formed
Explanation:
Answer: At the end of meiosis, four haploid cells have been produced, but the cells are not yet gametes. The development of haploid cells into gametes is called gametogenesis. Spermatogenesis produces four haploid sperm cells, while oogenesis produces one mature ovum.
why it is advantageous for population to occupy different habitats
According to the research, the correct answer is that it helps to acquire divergent and adaptive evolutionary changes. It is advantageous for population to occupy different habitats since they live in different ecological environments which allows them to have divergent evolutionary changes and better adaptation.
What is a population?It is the set of organisms that is formed by a group of specimens of the same certain species that share a habitat.
In this sense, when these organisms of the same species occupy different habitats, it allows the development of new types of species that can survive with environmental variations and adapt to environmental conditions in a different way than the rest, generating divergent evolution.
Therefore, we can conclude that according to the research, a population is a set of individuals of the same species that when occupying different habitats adapt to a process of divergent evolution.
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When biological membranes are frozen and then fractured, they tend to break along the middle of the bilayer. The best explanation for this is that _____.
The hydrophobic interactions that hold the membrane together are weakest at this point.
What are biological membranes?A bilayer of lipid molecules makes up the double sheet that makes up biological membranes. Generally speaking, this structure is known as the phospholipid bilayer. Membrane proteins and sugars are important structural elements of biological membranes, in addition to the many lipid types that are present in them.
The biological membrane, also known as the cell membrane is a membrane that selectively permits passage through and isolates the cell from its surroundings.
Before the development of the microscope in the seventeenth century, cell membranes were unknown. Scientists learned that organisms are made up of cells through microscopic investigations, but the existence of a biological membrane was still unaccounted for around 200 years passed.
The phospholipid bilayer is composed of a two-layered structure of phosphate and lipid molecules. In this cell membrane, the hydrophobic lipid ends are facing inward, whereas the hydrophilic phosphate ends are facing outward. As the hydrophobic interactions are weakest along the middle, freezing temperatures will cause them to break here.
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PLEASE HELP
If it takes a student 5 minutes to "cut up or digest" the small portion of cellulose shown, how long would it take to digest the entire cellulose molecule that is 100 times longer?
If it takes a student 5 minutes to "cut up or digest" the small portion of cellulose shown, it takes long hours to get digested the entire cellulose molecules that is 100 times longer.
Which bacteria helps cellulose to get digested?The symbiotic bacteria acts on the cellulose and secrets the necessary enzymes (cellulase) to digest cellulose in the intestinal tract. The main fact is that no animal has the ability or the capacity to digest cellulose directly.
Most animals such as horses and termites cannot directly digest cellulose. The animals have a symbiotic relationship with bacteria in the intestinal tract.An example of such microorganism in a symbiotic relationship with animals that facilitates the digestion of cellulose is Trichonympha.
Therefore, If it takes a student 5 minutes to "cut up or digest" the small portion of cellulose shown, it takes long hours to get digested the entire cellulose molecules that is 100 times longer.
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Lipase is a type of enzyme that breaks down lipids in your digestive system. It functions best at a pH range of 4 to 5; when a person takes an antacid tablet to relieve heartburn, the antacid increases the pH to around 7 in certain areas of the digestive system .
Which answer explains what would be caused by this change in pH?
A. The production of lipase molecules would decrease
B. The production of lipase molecules would increase
C. More lipids would be digested
D. Fewer lipids would be digested
Answer:
Fewer lipids would be digested.
Hope this helps!
which processes produce different proteins in different cells from the same primary transcript? select all that apply.
Two processes that produce different proteins in different cells from the same primary transcript are RNA editing and alternative RNA splicing. These two change the protein in different cells, although all the cells have the same gene.
What is RNA modification?The gene makes the mRNA, but the primary mRNA of eukaryotes is immature because the mRNA has both the intron and the exon regions. The introns are removed by the process of splicing, but in alternate splicing, the exons change positions. This is the result of the alternation of the traits that are found in the cells.
Hence, both RNA editing and alternative RNA splicing produce different proteins in different cells from the same primary transcript.
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The question is incomplete. The complete question is follow
Which of the following processes produce different proteins in different cells from the same primary transcript? (Select all that apply.)
a)alternative splicing
b)chromatin remodeling
c)RNA editing
d)combinatorial control
e)histone modification
Flagella are found in______and used for_____.
A. plants, transfer of genetic material
B. fungi, locomotion
C. prokaryotes, transfer of genetic material
D. prokaryotes, locomotion
If pyruvate processing is blocked, what will happen to the levels of oxaloacetate and citrate in the citric acid cycle?.
There will be an increase in oxaloacetate and a reduction in citrate.
What transpires if pyruvate oxidation is stopped with regard to oxaloacetate?How will the levels of oxaloacetate and citric acid in the citric acid cycle depicted in the accompanying image change if pyruvate oxidation is prevented? Citric acid will decrease while oxaloacetate builds up.
The function of oxaloacetate in the citric acid cycle?The citrate synthase enzyme catalyzes the reaction between oxaloacetate and acetyl-CoA to produce citrate, an intermediate of the citric acid cycle. Additionally, it participates in the processes of gluconeogenesis, urea cycle, glyoxylate cycle, amino acid synthesis, and fatty acid synthesis. Oxaloacetate is another effective complex II inhibitor.
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Which of the following sometimes precedes the formation of a tornado?
Wall cloud
Cumulus clouds
Hail
Nimbus cloud
Answer: Hail precedes tornados.
Flagella are found in______and used for_____.
A. plants, transfer of genetic material
B. fungi, locomotion
C. prokaryotes, transfer of genetic material
D. prokaryotes, locomotion
Answer: D. prokaryotes, locomotion
Explanation:
Flagella are organelles used by bacteria (prokaryotes) as a means of movement (motility)
5. Divide the following signed numbers:
please help will give extra
a.
-8
-2
b.
+9
-1
c.
-12
-48
Answer:
-8-2=-10
+9-1=8
-12-48=-60
Explanation:
4. The DNA that makes up the genomes of most eukaryotic organisms is divided into multiple, linear chromosomes.
a. Why would the division of a cell with multiple chromosomes be more difficult than the division of the bacterial cell shown in Figure 1, which has a single, circular chromosome?
The division of a cell with multiple chromosomes is more difficult than the division of a bacterial cell that has a single circular chromosome because multiple because eukaryotic cell division involves regulating DNA replication at different points, which requires the presence of different cyclin factors that trigger DNA replication during the S phase.
What is the synthesis S phase of DNA replication?The synthesis S phase of DNA replication is the period in the cell cycle where DNA replication occurs, which is a more complex process in eukaryotic cells because they have many chromosomes to regulate during this phenomenon, in contrast to the single chromosome of prokaryotic cells.
Therefore, with this data, we can see that the synthesis S phase of DNA replication involves a more complex process in eukaryotic cells due to the presence of different chromosomes to be controlled through cyclins and kinase factors during this process.
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Which order of events is correct?
mitosis → celldifferentiation → stemcells
zygote → celldifferentiation → mitosis
zygote → stemcells → celldifferentiation
stemcells → zygote → celldifferentiation
i think 2
Explanation:
1. The property of muscle tissue that allows an impulse to travel down the entire length of the cell membrane is
Multiple Choice
elasticity.
conductivity.
extensibility.
contractility.
Responsibility
The property of muscle tissue that allows an impulse to travel down the entire length of the cell membrane is Elasticity.
What is Muscle elasticity ?Stretching a muscle to its complete range of motion without being constrained is possible thanks to tissue elasticity. The body has a variety of tissues, such as connective tissues and soft tissues. Tissues frequently become constricted and inelastic, increasing muscle tension and pain.
Muscle tissue is made up of cells with the unique capacity to constrict or shorten in order to cause movement of the bodily components. High levels of cells and blood vessels can be found throughout the tissue.
Therefore, The property of muscle tissue that allows an impulse to travel down the entire length of the cell membrane is Elasticity
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Paradox of the slavish existence in paragraph 5
Marx expected this class to expand and existence, create revolution, establish a dictatorship of the proletariat, and start to build a communist society.
The important situations for the lifestyles and for the sway of the bourgeois magnificence is the formation and augmentation of capital; the circumstance for capital is salary-labour. Salary-labor rests solely on opposition between the laborers.
The bourgeoisie are for that reason unfit to rule, because they can not assure an existence to its slave within its slavery. Consequently, with the development of cutting-edge industry, the bourgeoisie produces its personal grave-diggers. Its fall and the victory of the proletariat are similarly inevitable.
Marx argued that capital creates its own gravediggers is the proletariat. Marx anticipated this magnificence to increase, create revolution, set up a dictatorship of the proletariat, and begin to construct a communist society. He anticipated this to occur first inside the most exceptionally evolved capitalist, commercial international locations.
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Both muscle and sperm cells are specialised animal cells.
(a) The nucleus of a muscle cell is different from the nucleus of a sperm cell.
Outline one way in which the nucleus is different between these two cells.
[1 mark]
Question 1b
(b)
All specialised cells are adapted to carry out their function.
Describe two adaptations of a sperm cell that enables it to carry out its function.
[4 marks]
Question 1c
(c)
Specialised cells develop from unspecialised cells by differentiation when an organism develops.
What happens when a cell differentiates?
The nucleus of a muscle cell is different from the nucleus of a sperm cell due to the differential expression of genes in muscle cells (question a). Adaptations of a sperm cell that enable it to carry out its functions include the presence of microtubules for motion and an elongated shape to perform locomotion (question b). Specialized cells develop from unspecialized cells by differentiation when an organism develops by gene expression patterns that encode specific proteins (question c).
What is the process of cell differentiation?The process of cell differentiation refers to the expression of specific genes in an undifferentiated cell in order to generate certain structures or synthesize enzymes that allow them to perform specific functions.
For example, sperm cells are adapted to perform locomotion during the process of fecundation, for which they have specialized microtubules to perform this function, which are proteins generated through the expression of specific genes.
Therefore, with this data, we can see that the process of cell differentiation is associated with gene expression and it is due to the adaptation of cells to perform certain tasks.
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The variety of organisms within an ecosystem is characteristic of which type of diversity?.
The variety of organisms within an ecosystem is characteristic of species diversity. Species diversity is the variety of different species that are present in an ecosystem.
Species diversity is the variety of life on earth. It is the number of different species of plants, animals, and other organisms that live in a particular area. The higher the diversity, the more different types of life there are.
Species diversity is important for the health of ecosystems. It helps to provide stability and resilience against environmental changes. It also helps to provide food and other resources for the animals and plants that live there.
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Please help with this question
Answer: homozygous dominant, heterozygous and homozygous recessive
Explanation: RR is homozygous dominant, 2Rr are heterozygous and rr is homozyqous recessive
Categories into which children actively organize the behaviors, activities, and attributes of others are called gender ________.
Gender schemas are categories that kids actively use to categorize other people's actions, traits, and behavior's. In 1981, psychologist Sandra developed the gender schema theory.
Asserted that kids pick up on gender norms from the culture they grow up in. The hypothesis contends that toddlers begin to conform their behavioral to cultural gender standards throughout the earliest phases of social development. Is called Gender schemas.
A psychologist is a specialist who investigates behavior's, perceptual, cognitive, emotional, and social processes as well as mental states. psychologist work frequently entails investigation, observation, and interpretation of how people interact with one another and their surroundings.
In particular, having strong gender schemas gives you a filter through which to process all environmental stimuli. This enables the individual to absorb stereotypical information more readily. This serves to reinforce gender stereotypes already in place.
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Consider the image. In the figure shown; what could the hormone Indicated by the small hexagon In the red circle be?
testosterone
growth hormone
ADH
insulin
Testosterone is the hormone Indicated by the small hexagon in the red circle.
What is testosterone?Testosterone is the primary sex hormone and anabolic steroid in males. In humans, testosterone plays a key role in the development of male reproductive tissues such as testes and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.
Testosterone is the male sex hormone that is made in the testicles. Testosterone hormone levels are important to normal male sexual development and functions. During puberty (in the teen years), testosterone helps boys develop male features like body and facial hair, deeper voice, and muscle strength.
Testosterone is a sex hormone that plays important roles in the body. In men, bone mass, fat distribution, muscle mass and strength, and the production of red blood cells and sperm. A small amount of circulating testosterone is converted to estradiol, a form of estrogen.
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After the oil spill, marine microbes consumed the oil under the surface but also removed ________ from the water, killing both plants and animals and creating dead zones.
After the oil spill, marine microbes consumed the oil under the surface but also removed Oxygen from the water, killing both plants and animals and creating dead zones.
What causes oil to form?Organic material, primarily sedimentary deposits on the seafloor, is what turns into oil and gas over the course of millions of years as it decomposes and changes. Recoverable oil and gas deposits may be found where source, reservoir, cap, and trap rocks are present in the right proportions.
Most oil formation occurred when?Between 10 (Cenozoic) and 180 (Mesozoic) million years ago, the majority of natural gas and oil creation took place. Only 10% of oil reserves are Paleozoic (more than 200 million years ago).
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Estuaries are productive ecosystems because they constantly receive nutrients from.
Estuaries are productive ecosystems because they constantly receive nutrients from the river and from the ocean and both bodies of water.
Estuaries are incredibly productive ecosystems despite these obstacles. They may support a variety of life and receive nutrients from both pools of water. People frequently reside close to estuaries, which has an effect on the ecology because of their access to food, water, and shipping routes.
Water bodies called estuaries and the marshes that surround them are typically found where rivers and the sea converge. Unique plant and animal communities that have adapted to brackish water, which is a mixture of freshwater that drains from the land and salty ocean, can be found in estuaries.
There are, however, a few totally freshwater habitat types that share many traits with the conventional brackish estuaries.
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What’s the correct answer answer asap for brainlist and it better be right
Answer:
its c
Explanation:
The allele frequency represents the incidence of a gene variant in a population.
I know this is right. My father is a retired radiologist and he explained it to me in a little bit too much depth. but if it is wrong I apologize and I will gladly slap my dad.
Which cells are responsible for building up bone to increase calcium levels in the blood?
Answer:osteoblasts, osteoclasts, osteocytes, and osteoprogenitor cells.
Explanation:
Bone consists of four types of cells: osteoblasts, osteoclasts, osteocytes, and osteoprogenitor cells. Osteoblasts are bone cells that are responsible for bone formation.
Answer:
osteoblasts, osteoclasts, osteocytes, and osteoprogenitor cells.
Explanation:
Field crickets, Gryllus pennsylvanicus, breed in late summer and leave only eggs to survive the winter. One local population increased from 2802 to 6815 in one year. Predict the size of this population 4 years after the initial year, assuming no significant change in the environment.
This population will be 76,382,520 in four years, according to the exponentially growing equation Nt = N0ert.
What would you say about the exponential growth?A function called exponential growth depicts population expansion that happens consistently across time. You can suppose that data expands exponentially when populations double or triple in size. Exponential decay, which occurs when data contracts rather than expands, is the opposite of exponential growth.
Exponential growth occurs where?One: Rapid population growth Populations experience exponential expansion when resources are limitless, creating a J-shaped curve. Populations grow logistically when resources are scarce. In logistic growth, population growth slows down as resources are scarcer.
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what biogas generator tend to work best in hot countries
Over 70 million tons of organic waste are produced annually in the US. After organic matter is broken down by bacteria in an oxygen-free environment, biogas is created.
What is biogas used for?After being captured, methane can be used to power fuel cells, microturbines, and engines to create heat and electricity. In contrast, biogas can be converted into biomethane, also known as biogas (RNG), and utilized as a fuel for vehicles or fed into natural gas pipelines.
Where can I find biogas?Landfill gas is a natural gas produced by microbial bacteria in landfills for municipal solid waste. Because methane is combustible, landfill gas with such a high methane produced may be hazardous both to and the environment. Another potent greenhouse gas is methane.
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Is starch as effective as sugar(glucose, succinate) at cellular respiration?
Answer: no
Explanation:
no, because starch is a polymer
7. Which of these is NOT a characteristic of happy people?
a. Happy people are optimistic
b. Happy people give more
c. Happy people have high self-esteem
d.Happy people like to be around other happy people
Happy people have high self-esteem is NOT a characteristic of happy people.
What is happy people?
Strong, meaningful relationships are formed as a result of these ties, which serve as a barrier against depression. In the past 50 to 75 years, depression rates have drastically grown.
According to the World Health Organization, depression will affect almost one-third of all adults worldwide and be the second biggest cause of mortality by the year 2020.
Although there are probably many factors causing this increase, one of the most significant ones might be the disconnect between individuals and their families, communities, and themselves.
Therefore, Happy people have high self-esteem is NOT a characteristic of happy people.
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What are the three factors affecting bone growth and development?
Nutrition, vitamins, milk
Physical exercise, nutrition, hormones
Hormones, fat storage, physical exercise
Vitamin D, Calcium, phosphorus
Answer:
Major hormones influencing bone growth and morphology include growth hormone (GH), androgens such as testosterone and dihydrotestosterone, and estrogens such as estradiol.
so i think it would be D) sorry if its wrong tho
Many chemical preservatives, such as potassium sorbate, preserve food products in which of the following ways? by drying foods.
by altering pH
by changing osmolarity
by binding to pathogens
