In DNA, the complimentary bases are:

adenine and thymine; guanine and cytosine

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adenine and thymine; guanine and uracil

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adenine and guanine; thymine and cytosine

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uracil and adenine; cytosine and guanine

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Solution

The correct option is A adenine and thymine; guanine and cytosine
In DNA, the complementary bases are adenine and thymine; guanine and cytosine.
Note: Adenine and guanine contain purine ring whereas cytosine and thymine contain pyrimidine ring.

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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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