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astra-53 [7]
3 years ago
13

Describe the structure of an amino acid. What makes each of the 20 amino acids unique?

Biology
1 answer:
mixer [17]3 years ago
4 0

Answer:

Amino acids are molecules used to build proteins. All amino acids have a central carbon atom surrounded by a hydrogen atom, a carboxyl group (COOH), an amino group (NH2), and an R-group. It is the R-group or side chain that makes each of the 20 amino acids unique.

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