Question

11 parts | -- of 4 points
in the accompanying image, a nucleotide is indicated by the letter _.
c
a
b
d

Explanation:

A nucleotide consists of a sugar, a phosphate group, and a nitrogen - containing base. In the DNA double - helix structure:

• Label A represents the entire DNA strand.
• Label B represents a single nucleotide (which has the sugar - phosphate - base combination as part of the DNA structure).
• Label C represents a pair of nucleotides (base - paired).
• Label D represents a single base.

Answer:

C. B