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Neporo4naja [7]
2 years ago
12

How do mutagens affect chromosomes? AThey change the chemical composition of DNA, which can affect the structure or number of ch

romosomes. They attack the inner part of the chromosome, changing the sequence of DNA in the centromere of the chromosome. They alter the size of the chromosome, which affects the way a chromosome passes genetic traits from parents to offspring.
Biology
2 answers:
Solnce55 [7]2 years ago
6 0

They change the chemical composition of DNA, which can affect the structure or number of chromosomes.

Yakvenalex [24]2 years ago
5 0

Answer: A) They change the chemical composition of DNA, which can affect the structure or number of chromosomes.

Explanation:

Edge2020

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Glycogen reserves can release glucose for cellular respiration. glycogen reserves are typically found in?
avanturin [10]

Glycogen reserves can release glucose for cellular respiration. glycogen reserves are typically found in the muscles and liver.

  • The liver and muscles contain the body's "quick" source of energy, known as glycogen stores.
  • They go through further metabolism after being converted to glucose.
  • After that, glucose can be further digested to release energy both aerobically and anaerobically.

<h3>Glycogen reserves: what are they?</h3>
  • When the body doesn't need to consume the glucose for energy, the liver and muscles store it.
  • This kind of stored glucose, which is made up of many connected glucose molecules, is known as glycogen.

<h3>How long are glycogen reserves good for?</h3>
  • Utilizing the form, you can learn more about nutrition and glycogen.
  • But it's helpful to know that once glycogen stores are exhausted, it will take at least 48 hours to fully refill them.
  • This necessitates rest throughout the recovery period and a high-carbohydrate diet (60–70% of the energy must come from carbohydrates).

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brainly.com/question/11478490

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6 0
1 year ago
The binding of a neurotransmitter on a postsynaptic cell allows potassium ions to diffuse out of the cell. this would result in
xxMikexx [17]

Answer:

The binding of a neurotransmitter on a postsynaptic cell allows potassium ions to diffuse out of the cell. This would result in a NEGATIVE CELL MEMBRANE POTENTIAL which is an HYPERPOLARIZATION event.

Explanation:

The binding of a neurotransmitter to a postsynaptic cell results in a group of channels in the cell membrane called ligand gated channels open or close in response to that binding.

Hyperpolarization occurs when a ligand gated channel opens and allows potassium ion to flow out of the cell.

During hyperpolarization, potential of the cell membrane experience changes which makes it to become more negative.

4 0
2 years ago
If you crashed on a deserted island how would you modify, adapt, and depend on the island?
skad [1K]
Don't Panic
Avoid injury
Salvage all you can
Obtain a source of water
Build a shelter
Find food

Hope that helped have a good day
5 0
3 years ago
DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. It was very effective at first, but after a
dlinn [17]

Insect populations can develop resistance to insecticides over time. The evolution of resistance is associated with an increase in the frequency of adaptive genes in the population.

  • In the case above described it is expected that a few mosquitoes in the population were resistant to DDT before it was ever used (Option a is correct).

  • Dichlorodiphenyltrichloroethane (DDT) is a pesticide used in agriculture.

  • After exposure to DDT, those individuals in the mosquito population that didn't carry gene variants (i.e., alleles) associated with the resistance to this pesticide died.

  • Subsequently, insects having adaptive alleles associated with DDT resistance survived and reproduced, thereby increasing the frequency of adaptive genes/alleles in the population.

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8 0
3 years ago
Why is photosynthesis so important to living organisms?
konstantin123 [22]

Answer:

All living organisms need energy to stay alive, but only producers can directly convert energy into food.

Explanation:

The process of photosynthesis is very important because all living organisms need energy to stay alive, but only producers can directly convert energy into food.

Photosynthesis is the process whereby green plants manufacture their food in the presence of carbon dioxide and water.

  • They take light energy from the sun and produce food materials.
  • The light energy is converted to chemical energy which are stored in carbon chains as glucose.
  • The  chemical energy is then used by other living organisms for their own nourishment.
8 0
2 years ago
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