Question

2.20 unit 2: biochemistry summative
which of the following are the building block of proteins?
monosaccharide
polysaccharide
amino acid
glycerol

Explanation:

Proteins are macromolecules. Amino acids are the basic units that link together through peptide bonds to form polypeptide chains, which then fold into functional proteins. Monosaccharides are the building blocks of carbohydrates (like simple sugars). Polysaccharides are complex carbohydrates made of many monosaccharides. Glycerol is a component of lipids (along with fatty acids in triglycerides).

Answer:

Amino Acid