Question

question 8 2 pts
what element of their chemical structure differentiates one amino acid from another?
the side group
the acid group
the central carbon atom
the amino group

Explanation:

All amino - acids have a central carbon atom bonded to an amino group, an acid group, and a hydrogen atom. The side - group (R - group) is unique to each amino acid and determines its properties.

Answer:

The side group