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Cell Biology: DNA Replication Overview

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Questions and Answers

Which enzyme creates RNA primers on both leading and lagging strands during DNA replication?

Helicase

Telomerase

Primase (correct)

Topoisomerase

Which DNA polymerase is known for its proofreading ability during DNA replication?

DNA Polymerase III (correct)

DNA Ligase

DNA Polymerase I

RNA Polymerase

What role does DNA Ligase play in DNA replication?

Synthesizing new DNA strands

Unwinding the DNA double helix

Joining Okazaki fragments (correct)

Creating RNA primers

Which molecule serves as a template for the synthesis of a new DNA strand during replication?

DNA Signup and view all the answers

What is the function of Topoisomerase during DNA replication?

Relieving supercoiling tensions Signup and view all the answers

Which protein is responsible for unwinding the DNA double helix during replication?

Helicase Signup and view all the answers

What is the function of RNA Polymerase in eukaryotic cells?

Synthesizing mRNA from a DNA template Signup and view all the answers

What is the role of DNA Primase?

Initiating RNA synthesis on the leading strand Signup and view all the answers

Which enzyme is involved in adding nucleotides to the growing DNA strand during replication?

DNA Polymerase III Signup and view all the answers

What is the primary function of DNA Ligase in DNA replication?

Joins Okazaki fragments on the lagging strand Signup and view all the answers