Protein Building Blocks

Question 1

What are proteins?

Answer 1

biological macromolecules that act as enzymes, hormones, receptors, channels, transporters, antibodies, and support structures inside and outside the cell

Question 2

What are the four main groups that make up an amino acid?

Answer 2

alpha amino group
alpha carboxyl group
tetrahedral alpha-carbon
variable R-group

Question 3

What is the unique feature of each amino acid?

Answer 3

variable side chain (R-group)