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Sergio039 [100]
3 years ago
8

What is skin discolouration caused by?

Biology
1 answer:
beks73 [17]3 years ago
4 0
An excess production of melanin. Melanin is a pick me to give skin its color.
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How is the structure of endoplasmic reticulum related to its function?
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3 years ago
PLS HELP I WILL GIVE BRAINLIST
ra1l [238]

There are four bases found in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T). Adenine forms a base pair with thymine, and cytosine forms a base pair with guanine. There is a one-to-one relationship in these base pairings (Chargaff’s rule), which means that if you know the percentage of any one of them within a given DNA sample, you can calculate the percentages of the other three. In this case, you're given the percentage of guanine, and you want to find out the percentage of adenine.

Since guanine base-pairs with cytosine and since there must be as much cytosine as there is guanine, 41% of the bases in this gene are cytosine as well. That means that adenine and thymine <em>together </em>make up the remaining 18% (100% − 41% G − 41% C) of the base pairs. If there must be an equivalence in the number of thymine and adenine bases per Chargaff's rule, then half of the remaining base pairs must comprise adenine and the other half comprise thymine. Half of 18% is 9%.

Thus, adenine makes up 9% of the bases in this gene.

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During my ptosis a single cell divides to produce two daughter cells what must happen in the original cell so that each daughter
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Answer: 3d illustration depicting cell division, a process whereby a cell divides into two new daughter cells with the same genetic material.

Explanation:

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