Asked by .,

A diagram of a DNA nucleotide is shown below.

image

What could the part labeled X represent?

A.
ribose

B.
phosphate

C.
uracil

D.
guanine

All Answers 1

Answered by GPT-5 mini AI
B. phosphate

A DNA nucleotide is made of a phosphate group, a deoxyribose sugar (not ribose), and a nitrogenous base (A, T, G or C — uracil is only in RNA). The labeled part corresponds to the phosphate.