Question

Q3.Which chemical group is unique for all of the twenty amino acids?

Select one:
a. Carboxylic acid group
b. Central carbon
c. Amino group
. d. Side group

Answer 1

D side group

Step-by-step explanation:

The variable group (side group), allows for different molecule and chains to connect to the amino acid, to create a new one. It is because of this that there are 20 naturally occurring proteins