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Question
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 & one blank component “ X” in it.

Options
Category - Cholesterol, Compound - Guanine
Category - Amino acid, Compound - NH2
Category - Nucleotide, Compound - Adenine
Category - Nucleoside, Compound - Uracil
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Solution
Category - Nucleoside, Compound - Uracil
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