Describe how feedback inhibition works

Answers

Answer 1

Answer: Say you have a pathway
A-->B-->C-->D

So your A leads to production of B which leads to production of C which leads to production of D
In feedback inhibition (or a negative feedback loop), the final product of a pathway (in this case, D) will usually inhibit or stop the first step in that pathway. So in this instance, D would do something to stop A-->B from occurring. It could bind A or the enzyme that makes that step occur.
Basically, the end product somehow stops one of the earliest steps in the pathway

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The combined alleles of all the individuals in a population are called the ?

Answers

The combined alleles of all the individuals in a population are called the gene pool. It refers to different types of genes that exist within an interbreeding population, i.e. the organisms that mate with each other, with the same type of organism, within the same population.

What process allows DNA to stay within the nucleus during the process of expressing genes as proteins?

Answers

Answer:

Transcription.

Explanation:

During gene expression, information present in DNA gets transferred to RNA by the process of transcription. The synthesized RNA is then transported to the ribosomes (present in cytosol), where the process of translation.

Hence, due to the process of transcription, DNA remains in nucleus RNA molecule moves outside the nucleus and provides information for the protein synthesis, DNA remains in nucleus.

Thus, the correct answer is 'transcription.'

Transcription allows the DNA to stays within the nucleus during the process of expressing genes as proteins. Please mark as the brainliest answer if it helped.

What is the defining characteristic of a water cycle?A. The water passes through at least five different locations.

B. It does not include any human water usage.

C. It passes through plants, animals and the ocean.

D. It has the same starting and ending point.

Answers

Answer:

option c. it passes through plants, animals and the oceans.

Explanation:

Explain why meiosis cannot happen without mitosis.

Answers

The mechanism is straightforward: in Metaphase one of Meiosis, chromosomes line up in two lines, with homologous across from each other, which allows them to interact by crossing over. In Metaphase of Mitosis, the chromosomes are all lined up single file, so the homologous chromosomes cannot interact.

When the cell concentrates potassium within, against the natural tendency of matter, it is performing _____. a. passive diffusion
b. facilitated diffusion
c. active transport
d. pinocytosis

Answers

When the cell concentrates potassium withing, against the natural tendency of matter, it is performing active transport. The correct answer is C.

Answer: C. active transport

Explanation:

What is the process in which two gametes unite

Answers

Let me help you,
The process in which two gametes unite is called fertilization.
Have a good one!

Fertilization which is a part of reproduction.

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