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What initiates the replication in DNA?

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in Biology – Class 12 by (271k points)
What initiates the replication in DNA?

(a) DNA ligase

(b) Origin of replication

(c) Termination sequences

(d) Histone proteins

This question was posed to me by my school teacher while I was bunking the class.

I need to ask this question from Principles of Biotechnology topic in division Biotechnology Principles and Processes of Biology – Class 12

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The correct answer is (b) Origin of replication

To explain I would say: In a chromosome, there is a specific DNA sequence called the origin of replication, which is responsible for initiating replication. DNA ligase is an enzyme which helps in joining of DNA. Termination sequences are the site at which DNA replication terminates while histones are the proteins around which DNA is wound.

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