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Biomolecules

Question
CBSEENCH12011341

In DNA. the complimentary bases are 

  • Adenine and thymine; guanine and cytosine

  • Adenine and thymine; guanine and uracil

  • Adenine and guanine, thymine: Guanine and uracil

  • Uracil and adenine; cytosine and guanine

Solution

A.

Adenine and thymine; guanine and cytosine

Deoxyribonucleic acid (DNA) has the purine bases adenine and guanine and pyrimidine bases thymine and uracil. According to base pairing rule adenine paired with thymine (A=T) and cytosine paired with guanine  straight C identical to straight G