A nucleotide is a(an)
A)amide of a nitrogen base and a fatty acid.
B)amide of a nucleoside and a fatty acid.
C)ester of a nucleoside and a fatty acid.
D)5'-monophosphate ester of a nucleoside.
E)polymer of alternating ribose and purine or pyrimidine units.

Question

Quizplus · Accepted Answer

A nucleotide is a molecule consisting of a nitrogenous base (adenine, guanine, cytosine, thymine or uracil), a 5-carbon sugar (ribose or deoxyribose), and a phosphate group. The phosphate group is attached to the 5' carbon of the sugar, making it a 5'-monophosphate ester of a nucleoside. Therefore, choice D is the best answer.

A Nucleotide Is A(an)