JEE Main Chemistry question

The pairs of bases in DNA are held together by

(A)Hydrogen bondsCorrect
(B)Ionic bonds
(C)Phosphate groups
(D)Deoxyribose groups

Answer: (A)

Solution

Complementary base pairs in DNA (adenine-thymine and guanine-cytosine) are held together through specific hydrogen bonds formed between their nitrogenous ring structures, which is essential for

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Question ID VK-133393