Observe the structure given below and choose the option which is not true regarding this.
[0.7 mark]

Sugar in the given molecule is deoxyribose

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X represents heterocyclic nitrogenous base

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Phosphate group is attached to 1′ carbon

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The given structure represents a nucleotide

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Solution

The correct option is C Phosphate group is attached to 1′ carbon
The given structure is of deoxyribonucleotide. Sugar in this molecule is deoxyribose. To this sugar molecule, nitrogenous base is attached to 1′ carbon. Phosphate group is attached with 5′ carbon of the sugar.

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