All of the following is present in a molecule of messenger RNA except

Thymine

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Phosphate

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Adenine

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Ribose

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Cytosine

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Solution

The correct option is E Thymine
Both DNA and RNA consists of three parts namely sugar molecule, phosphate, and nitrogenous bases.
Bases present in DNA are adenine, guanine, cytosine, and thymine. While in RNA bases include adenine, guanine, cytosine, and uracil (replaces thymine). Thymine is 5-methylated uracil, comparatively stable molecule than uracil which stabilizes DNA while RNA is reactive in nature due to the presence of uracil.
DNA contains deoxyribose sugar while RNA contains ribose sugar.
So, the correct answer is 'Thymine'

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