Question

question 3 10 pts
composed of chains of amino acids
○ nucleic acid
○ protein
○ lipid
○ carbohydrate

Explanation:

Nucleic acids are made of nucleotide chains, lipids are primarily fatty acids/glycerol, carbohydrates are sugar monomers, while proteins are polymers constructed from linear chains of amino acids linked by peptide bonds.

Answer:

B. protein