Identify the correct complementary base pairing among the following.

Adenine - Thymine and Guanine - Cytosine

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Adenine - Guanine and Thymine - Cytosine

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Adenine - Cytosine and Thymine - Guanine

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Guanine - Adenine and Cytosine - Adenine

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Solution

The correct option is A Adenine - Thymine and Guanine - Cytosine
Adenine binds to thymine and guanine binds to cytosine as they are complementary base pairs.
The complementary bases can form a bond with each other.
This helps to hold the two strands of the DNA molecule together to form the helix.
Thus, the correct answer is option A.

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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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