Question:
What are the main components of replisome?
What are the main components of replisome?
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Replisome = Unzip (Helicase) + Start (Primase) + Build (Polymerase).
Updated On: May 28, 2026
- Topoisomerase, primase, and DNA polymerase
- DNA ligase, primase, and DNA polymerase
- Helicase, DNA ligase, and primase
- Helicase, primase, and DNA polymerase
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The Correct Option is D
Solution and Explanation
Step 1: Concept
The replisome is a complex molecular machine that carries out DNA replication.
Step 2: Meaning
It coordinates the unwinding of the double helix and synthesis of new daughter strands.
Step 3: Analysis
Core components: Helicase (unzip), Primase (lay RNA primer), DNA Polymerase (build new strand). Ligase and topoisomerase are auxiliary.
Step 4: Conclusion
Option (D) lists the three essential core components.
Final Answer: (D)
The replisome is a complex molecular machine that carries out DNA replication.
Step 2: Meaning
It coordinates the unwinding of the double helix and synthesis of new daughter strands.
Step 3: Analysis
Core components: Helicase (unzip), Primase (lay RNA primer), DNA Polymerase (build new strand). Ligase and topoisomerase are auxiliary.
Step 4: Conclusion
Option (D) lists the three essential core components.
Final Answer: (D)
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