Answer: <u>Guanine
</u>
According to Chargaff's rule, the base pairing in the DNA and RNA is fixed. Adenine always pairs with Thymine in DNA and Uracil in RNA. Guanine pairs up with cytosine. This complementary base pairing is universal and constant. That's why amounts are also equal. It means if cytosine is 20% in any DNA sample, then amount of guanine would be 20% as well.
Answer:
The dependent variable
Explanation:
The independent variable is always changed by the scientist, and what happens then is known as the dependent variable because it depends on the indépendant variable!
Answer:
A) Reproduction
Note:
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