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In DNA, the complementory bases areA. adenine and thymine, guanine and cytosineB. uracil and adenine, cytosine and guanineC. adenine and guanine, thymine and cytosineD. adenine and thymine, guanine and uracil |
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Answer» Correct Answer - A DNA has a double helical structure. These helix contains polynucleotides chain and these chains are held together by hydrogen bonds . In these polynucleotide chain of DNA , adenine has thymine opposite to it and guanine has cytosine opposite to it. |
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