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Keith_Richards [23]
3 years ago
8

I need help please and thank you

Biology
2 answers:
NeX [460]3 years ago
7 0
For me i’ll say the answer is A bit i might be wrong so do what’s best for you
Salsk061 [2.6K]3 years ago
6 0

Answer:

a :)

Explanation:

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What is the key difference among the 20 amino acids that are used to make proteins?
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Answer:

Attached R side groups

Explanation:

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