The given diagrammatic representation shows 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 `:`

Options

A. `{:("Category","Component"),("Cholesterol " -, "Guanine"):}`
B. `{:("Category","Component"),("Amino acid " -, NH_(2)):}`
C. `{:("Category","Component"),("Nucleotide " -, " Adenine"):}`
D. `{:("Category","Component"),("Nucleoside " -, " Uracil"):}`

Answer

D

Explanation

Nucleoside is made up of ribose sugar and nitrogenous base only. Uracil forms nucleoside with only ribose sugar. So, the option with cateaory nucleoside component uracil is correct.