What is the difference between a nucleoside and a nucleotide?
A)A nucleoside contains guanine, and a nucleotide does not.
B)A nucleoside contains phosphate, and a nucleotide does not.
C)A nucleoside contains uracil, and a nucleotide does not.
D)A nucleotide contains ribose, and a nucleoside does not.
E)A nucleotide contains phosphate, and a nucleoside does not.

Question

Quizplus · Accepted Answer

A nucleotide is composed of a nitrogenous base, a sugar, and a phosphate group, while a nucleoside only contains a nitrogenous base and a sugar. Therefore, the main difference between a nucleoside and a nucleotide is the presence of a phosphate group in the latter.

What Is the Difference Between a Nucleoside and a Nucleotide