Classification.The following are basic building blocks of macromolecules.Answer the questions with reference to those building blocks.
-the basic unit of ribonucleic acid
A)amino acids
B)glucose
C)glycerol
D)fatty acids
E)nucleotide
F)amino acids and glucose
G)amino acids and glycerol
H)glucose and glycerol
I)glucose and fatty acids
J)glycerol and fatty acids

Question

Quizplus · Accepted Answer

The basic unit of ribonucleic acid is a nucleotide, which is composed of a sugar molecule (ribose), a nitrogenous base, and a phosphate group. None of the other building blocks listed contain these specific components. Therefore, option E (nucleotide) is the correct choice.