Deoxyribo-nucleic Acid (DNA) consists of simple sugar, phosphate and four nitrogen bases. Which one of the following groups of nitrogen bases is present in DNA molecule?

Adenine, Thymine, Guanine, Cytosine

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Adenine, Guanine, Thymine-Uracil

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Cytosine, Guanine,Thymine, Urea

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Adenine, Cytosine, Thymine-Uracil

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Solution

The correct option is D Adenine, Thymine, Guanine, Cytosine
Adenine, Thymine, Guanine, Cytosine are the nitrogen bases is present in DNA molecule, whereas the RNA contains uracil but not thymine. So, the correct option is A. ( Adenine, Thymine, Guanine, Cytosine )

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Similar questions

Statement 1: The four nitrogen bases in a DNA molecule are guanine, thymine adenine, cytosine.

Statement 2: Where adenine and thymine are purines and guanine and cytosine are pyrimidines.

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