Question

question 4 1 pts
what part of an amino acid varies in size and structure, giving it unique properties?
amine group
side chain
central carbon

Explanation:

All amino - acids have a central carbon bonded to an amine group, a carboxyl group, a hydrogen atom, and a side - chain (R - group). The amine group and central carbon have fixed bonding patterns in amino - acids, while the side chain varies in size, structure, and properties, determining the type of amino - acid.

Answer:

B. Side chain