Statement 1: There are four kinds of nitrogen bases in DNA.

Statement 2: They are adenine, uracil, guanine and cytosine.

Statement 1 is true

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Statement 2 is true

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Statement 2 is the detailed explanation of statement 1

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Statement 2 is not a detailed explanation of statement 1

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Solution

The correct options are
A
Statement 1 is true

D
Statement 2 is not a detailed explanation of statement 1

Uracil is not a nitrogenous base present in DNA. DNA contains four kinds of nitrogenous bases. They are adenine, thymine, guanine and cytosine. Uracil is the nitrogenous base present in RNA instead of thymine.

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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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