Chemistry, 23.12.2020 22:00 ladybugys

What is the role of an R group in an amino acid? A.) It represents the core group that is common to all amino acids.
B.) It gives all amino acids the same physical and chemical properties.
C.) It is the functional group that distinguishes one amino acid from another.
D.) It is the site where other amino acids bond to form polypeptide chains.

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