Question

What are the basic units of protein macromolecules?

A. Nucleotides
B. Disaccharides
C. Fatty acids
D. Amino acids

Answer 1

The answer is D,

Stop trying to act smart no one cares just get to the point

Answer 2

The proteins are composed of amino acids as their monomeric unit. There are 20 different types of amino acids which forms the different types of proteins. The sequential arrangements of these amino acids are responsible for the variations in proteins. Hence the basic units of proteins macromolecules are the amino acids. Hence the correct answer is option D. Amino acids.