Look at the following structure of a nucleotide, and identify the three labelled parts:

P-Sugar, Q-Nitrogenous base, R-Phosphate

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P-Nitrogenous base, Q-Phosphate, R-Sugar

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P-Phosphate, Q-Sugar, R-Nitrogenous base

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P-Sugar, Q-Phosphate, R-Nitrogenous base

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Solution

The correct option is D
P-Sugar, Q-Phosphate, R-Nitrogenous base

A single nucleotide is composed of 3 parts- a pentose sugar (deoxyribose in DNA), a nitrogenous base (adenine/guanine/thymine/cytosine) and a phosphate group.

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Look at the following structure of a nucleotide, and identify the three labelled parts:

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