The energy to form the new bonds between nucleotides in a growing DNA strand is provided primarily by ____.
A) unwinding of the DNA double helix
B) hydrolysis of pyrophosphate
C) breaking hydrogen bonds between base pairs
D) DNA helicase
E) forming hydrogen bonds between base pairs

Question

Quizplus · Accepted Answer

The energy required for the formation of new bonds between nucleotides during DNA synthesis comes from the hydrolysis of pyrophosphate, which is a part of the nucleotide triphosphate used as a substrate by DNA polymerases.

The Energy to Form the New Bonds Between Nucleotides in a Growing