Botany-DNA Replication

NEET Botany DNA Replication MCQ Question

Type: MCQ-diagram based-Hard-Class 12

Consider a diagram showing the process of DNA replication in E. coli with labeled components such as the replication fork, leading strand, lagging strand, and DNA polymerase. Which label correctly identifies the enzyme responsible for synthesizing the new DNA strand on the leading strand?

Question diagram
A

DNA-dependent DNA polymerase

B

RNA polymerase

C

Helicase

D

Ligase

Correct Answer

Option A

Detailed Explanation

DNA-dependent DNA polymerase is the enzyme that catalyzes the polymerization of deoxynucleotides on the DNA template, particularly on the leading strand as it follows the replication fork.

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