Q. Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component "X" in it.

Category Component
A Nucleoside Uracil
B Cholesterol Guanine
C Amino acid
D Nucleotide Adenine
Biology Question Image

 3459  212 AIPMTAIPMT 2012Biomolecules Report Error

Solution:

The given structure corresponds with the structure of ribose sugar. As it lacks a phosphoric acid hence it can be a nucleoside not a nucleotide.