MCQBiology

MP Board · Class 12 · Biology · Molecular Basis of InheritanceWhich of the following enzymes is responsible for joining the Okazaki fragments during DNA replication?

📊Student Analytics & Stats
Total Attempts: 5
Accuracy Rate: 100%
Step-by-Step Solution

DNA ligase is the enzyme responsible for joining the short segments of DNA known as Okazaki fragments, which are synthesized on the lagging strand during DNA replication, forming a continuous strand.

Detailed Options Breakdown
Option : DNA polymerase I

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.

Option 1: DNA ligase (Correct Answer)

Correct choice. Refer to the step-by-step verified solution guidelines above for details.

Option 2: RNA primase

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.

Option 3: Helicase

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.

💡 Study Guide: This question tests core syllabus concepts from Molecular Basis of Inheritance. For formulas, key summaries, and mock exam reference guides, read the full Molecular Basis of Inheritance Revision Notes.
← All Chapter QuestionsBiology Chapters