In DNA, Adenine pairs with which base?

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Multiple Choice

In DNA, Adenine pairs with which base?

Explanation:
DNA base pairing follows a complementary rule where purines pair with pyrimidines to keep the helix width uniform. Adenine forms two hydrogen bonds with thymine, so thymine is the partner in DNA. This A–T pairing secures the two strands during replication and transcription and helps preserve genetic information. Cytosine pairs with guanine instead, while uracil is used in RNA (where adenine pairs with uracil instead of thymine).

DNA base pairing follows a complementary rule where purines pair with pyrimidines to keep the helix width uniform. Adenine forms two hydrogen bonds with thymine, so thymine is the partner in DNA. This A–T pairing secures the two strands during replication and transcription and helps preserve genetic information. Cytosine pairs with guanine instead, while uracil is used in RNA (where adenine pairs with uracil instead of thymine).

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