Question

When DNA replication starts

(a)  the hydrogen bonds between the nucleotides of two strands break

(b)  the phosphodiester bonds between the adjacent nucleotide break

(c)  the bonds between the nitrogen base and deoxyribose sugar break

(d)  the leading strand produces okazaki fragments

Answer 1

Hello friend the answer is option a) hydrogen bonds between the nucleotides of two stand breaks..

Answer 2

hello friends the correct answer is option a. the hydrogen bonds between the nucleotides of two strands break