NEET Biology question

When DNA replication starts

(A)The leading strand produces Okazaki fragments
(B)The hydrogen bonds between the nucleotides of two strands breakCorrect
(C)The phosphodiester bonds between the adjacent nucleotides break
(D)The bonds between the nitrogen base and deoxyribose sugar break

Answer: (B)

Solution

Replication begins with helicase unwinding the double helix by breaking the hydrogen bonds between complementary base pairs of the two strands, exposing single-stranded

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Question ID VK-111465