Answer:
D. All of the above
Explanation:
Enzymes are proteins, act as biological catalysts, and are sensitive to factors like pH and temperature.
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The amount<span> of guanine </span>always equals the amount of cytosine<span>.
</span>
Adenine and thymine
cytosine to guanine
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Answer:
Hormones
Explanation:
Hormones travel through the body
The answer is 99.9 percent.