The correct answer would be A.
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Answer: he could have described how the germ was created how it works and if it could spread
Explanation:
Answer:
R group
Explanation:
All amino acids have both an amino group and a carboxyl group. The R-group (sometimes called the variable group) is what differentiates amino acids from one another. These R-groups have various structural properties that dictate the function of the resulting amino acid chain.