Each amino acid differs from others only by the
A)number of peptide bonds in the molecule.
B)number of central carbon atoms.
C)characteristic of its R group.
D)number of its carboxyl groups.
E)size of its amino group.

Question

Quizplus · Accepted Answer

Each amino acid has a unique side chain, known as the R group, which determines its properties and differentiates it from other amino acids.

Each Amino Acid Differs from Others Only by the