The number of hydrogen bonds between adenine and thymine in a DNA molecule is

Two

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Three

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Four

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Eight

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Solution

The correct option is A Two
Adenine (A) is complementary to Thymine (T) and Guanine (G) is complementary to Cytosine (C). There are two hydrogen bonds between A and T while three hydrogen bonds between Guanine (G) and Cytosine (C).

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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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