The diagram shows the general structure of an amino acid.
General Structure of
Amino Acids
H
N-C-C
R
H
H
Amino
group
OH
Carboxyl
group.
Several different amino acids join together to form a protein. How do any two types of amino acids differ from one another?
A. the number of amino groups in the molecule
B. the number of carboxyl groups in the molecule
OC. the chemical structure of the R group in the molecule
OD. the number of chemical bonds formed by the central carbon atom