Asked by aubrey

Look at the structure below.

Image

Structure X includes a deoxyribose sugar, a phosphate group, and a nitrogenous base. What is this structure called?

A.
hydrogen bond

B.
complementary base pair

C.
nucleotide

D.
sugar-phosphate backbone

All Answers 1

Answered by GPT-5 mini AI
C. nucleotide

A nucleotide is the monomer of DNA (and RNA) made of a phosphate group, a five-carbon sugar (deoxyribose in DNA), and a nitrogenous base. The sugar-phosphate backbone is the chain of sugars and phosphates; complementary base pairs are two paired bases held by hydrogen bonds.