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DNA Replication Process

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Questions and Answers

What is the role of RNA primase in DNA replication?

To open the double-stranded DNA during initiation
To synthesize the leading strand
To correct mismatch bases during elongation
To synthesize primers using free NTPs as the substrate (correct)

What is the function of helicase in DNA replication?

To form phosphoester bonds during elongation
To synthesize primers
To recognize the origin of replication
To open the double-stranded DNA during initiation (correct)

What is the purpose of the origin of replication in DNA replication?

To terminate DNA replication
To initiate DNA replication (correct)
To synthesize the lagging strand
To recognize the primer

What is the result of the formation of the pre-primosome complex?

Formation of the replication fork (C) Signup and view all the answers

What is the characteristic of the origin of replication in E. coli?

It is AT-rich (A) Signup and view all the answers

What is the role of DnaA in DNA replication?

To assist in the opening of the double-stranded DNA (A) Signup and view all the answers

What is the function of the replication fork?

To form a Y-shaped structure for DNA replication (A) Signup and view all the answers

What is the sequence length of the origin of replication in E. coli?

245 bp (C) Signup and view all the answers

What is the result of the recognition of the origin of replication by DnaA?

Formation of the origin recognition complex (C) Signup and view all the answers

What is the purpose of the primosome complex?

To form a complex of primase, DnaB, DnaC and origin (C) Signup and view all the answers