Question

There are 20 amino acids, each with the same base structure. Which part of the amino acid structure changes for each amino acid type? (1 point)
Responses

4 - The Carboxyl Group
4 - The Carboxyl Group

1 - The R-group
1 - The R-group

3- The Hydrogen
3- The Hydrogen

2 - The amino group

Answer 1

The part of the amino acid structure that changes for each amino acid type is the **R-group**. So the correct response is:

1 - The R-group