Gujarat BoardEnglish MediumSTD 12 ScienceChemistryBiomolecules1 Mark
Question
The two strands in DNA are not identical but are complementary. Explain.
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Answer
In the helical structure of DNA, the two strands are held together by hydrogen bonds between specific pairs of bases. Cytosine forms hydrogen bond with guanine, while adenine forms hydrogen bond with thymine. As a result, the two strands are complementary to each other.
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