Question

dna is a polymer constructed from _______ monomers.
nucleotide
sugar
amino acid
lipid

Explanation:

DNA is a nucleic acid. Nucleic acids are polymers made up of nucleotide monomers. Each nucleotide consists of a sugar (deoxyribose in DNA), a phosphate group, and a nitrogen - containing base.

• Sugar: While DNA contains deoxyribose sugar, it is not the monomer. The monomer must include the sugar, phosphate, and base.
• Amino acid: Amino acids are the monomers of proteins, not DNA.
• Lipid: Lipids are a different class of macromolecules (e.g., fats, phospholipids) and not related to the structure of DNA.

Answer:

nucleotide