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fomenos
3 years ago
11

How does the skin protect the body against illness? Select two options.

Biology
2 answers:
Ilya [14]3 years ago
6 0

Answer:

the first and second sentence

Explanation:

Alecsey [184]3 years ago
6 0

Answer:

1 and 2

Explanation:

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Id say trick question it doesn't. Or, id say, it helps you realize how much to eat and what times you should be eating.
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2 years ago
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If a DNA molecule has 24% adenine, what is the percentage of guanine in the same DNA molecule?
artcher [175]

Answer:

26%

Explanation:

Adenine pairs with thymine.

Guanine pairs with cytosine.

If 24% of the DNA molecule is adenine, that means that there is 24% thymine. This is because they pair together so they have to be equal. That is 48% of the DNA molecule. To find the percentage of guanine, we need to minus 48% from the total 100%.

100 - 48 = 52

Then divide by 2 because you have guanine AND cytosine.

52/2 = 26

Therefore, your final answer is 26% of guanine is in the DNA molecule.

<em>I hope this helps!!</em>

<em>- Kay :)</em>

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You are studying green colorblindness in your family (colorblindness is recessive and on the X-chromosome).
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B C and E

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