Which type of macromolecule is made up of subunits that are called amino acids?
a.) carbohydrate
b.) lipid
c.) nucleic acid
d.) protein

The macromolecule that is made up of subunits that are called amino acids are the protein. The answer is therefore letter D. The carbohydrates are made up of subunits called monosaccarides. The lipids are mades up of subunits referred to as the fatty acid while nucleic acid are made up of nucleotides.

Amino acids are the building blocks for proteins. They are organic compounds, and contain an amine, carboxyl, and a side chain. They fuse to form short chains called as peptides. Longer chains of amino acids are called as proteins. They contain C, H, O, and N as chief elements.

Interphaseinterphase