Question

use the figure below to answer the following question. which of the following structures is circled and labeled x in the figure above? nucleotide amino acid nucleic acid dna molecule

Explanation:

A nucleotide is the basic building - block of nucleic acids like DNA. The circled part in the DNA structure contains a nitrogen - containing base (C in this case), a sugar, and a phosphate group, which together form a nucleotide. Amino acids are building blocks of proteins. Nucleic acid is the larger molecule of which nucleotides are a part. The whole DNA double - helix is the DNA molecule.

Answer:

nucleotide