Question

multiple - choice question what is a nucleotide? it is a monomer of a protein it is a building block of dna it is a polymer of dna rewatch

Explanation:

Nucleotides are the building - blocks of nucleic acids like DNA. Proteins are made of amino - acids. A polymer is a large molecule made of repeating subunits, and a nucleotide is a single unit, not a polymer of DNA.

Answer:

B. It is a building block of DNA