RNA Primers and DNA Replication

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Which process involves the separation of sister chromatids during cell division?

Mitosis (correct)

DNA repair

Cytokinesis

DNA replication

When does DNA synthesis occur during the cell cycle?

Cytokinesis

S phase (correct)

Interphase

M phase

What is the main purpose of DNA replication?

To distribute chromosomes to daughter cells

To repair damage to genetic material

To form new nuclear envelopes

To accurately reproduce genetic material (correct)

Which DNA polymerase is responsible for synthesizing the leading strand during DNA replication?

DNA polymerase III Signup and view all the answers

What is the function of the sliding clamp during DNA replication?

To stabilize the DNA polymerase Signup and view all the answers

Which enzyme is responsible for removing the RNA primer during DNA replication in eukaryotes?

FEN1 Signup and view all the answers

Which enzyme is responsible for unwinding the DNA strands during replication in bacteria?

DnaB Signup and view all the answers

What is the name of the replication origin in budding yeast (Saccharomyces cerevisiae)?

Autonomously replicating sequence (ARS) Signup and view all the answers

What is the directionality of DNA synthesis during replication?

5' -> 3' Signup and view all the answers

Which DNA polymerase is primarily responsible for DNA replication in cells?

DNA polymerase III Signup and view all the answers

Which model of DNA replication suggests that the parent molecule is intact and a second, completely new copy is made?

Conservative model Signup and view all the answers

Which model of DNA replication suggests that each strand of the double helix is a mixture of old and newly synthesized segments?

Dispersive model Signup and view all the answers

What did Matthew Meselson and Franklin Stahl demonstrate about DNA replication?

DNA replication is semiconservative Signup and view all the answers

In eukaryotes, replication of linear chromosomes is initiated at multiple sites, creating replication units called ____.

Replicons Signup and view all the answers

Which direction does DNA polymerase synthesize the leading strand?

5' -> 3' Signup and view all the answers

What are the short fragments called that make up the lagging strand during DNA replication?

Okazaki fragments Signup and view all the answers

What is the role of DNA ligase in DNA replication?

Join Okazaki fragments Signup and view all the answers

Which enzyme is responsible for DNA replication in bacteria?

DNA polymerase III Signup and view all the answers

Which enzyme is responsible for proofreading DNA during replication?

Exonuclease Signup and view all the answers

What is the main function of DNA polymerase I in bacteria?

Removal and replacement of RNA primers Signup and view all the answers

Which DNA polymerase is responsible for nuclear DNA synthesis in eukaryotes?

DNA polymerase α Signup and view all the answers

What is the main function of telomerase in eukaryotes?

DNA synthesis Signup and view all the answers

Which enzyme is responsible for unwinding the DNA during replication in E. coli?

DNA helicase Signup and view all the answers

Which protein keeps the DNA unwound and accessible to the replication machinery?

Single-stranded DNA binding protein (SSB) Signup and view all the answers

What is the role of DNA ligase in DNA replication?

Joining adjacent DNA fragments Signup and view all the answers

What is the function of the replisome in DNA replication?

Coordinating DNA unwinding and synthesis Signup and view all the answers

RNA Primers and DNA Replication

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Questions and Answers

Which process involves the separation of sister chromatids during cell division?

When does DNA synthesis occur during the cell cycle?

What is the main purpose of DNA replication?

Which DNA polymerase is responsible for synthesizing the leading strand during DNA replication?

What is the function of the sliding clamp during DNA replication?

Which enzyme is responsible for removing the RNA primer during DNA replication in eukaryotes?

Which enzyme is responsible for unwinding the DNA strands during replication in bacteria?

What is the name of the replication origin in budding yeast (Saccharomyces cerevisiae)?

What is the directionality of DNA synthesis during replication?

Which DNA polymerase is primarily responsible for DNA replication in cells?

Which model of DNA replication suggests that the parent molecule is intact and a second, completely new copy is made?

Which model of DNA replication suggests that each strand of the double helix is a mixture of old and newly synthesized segments?

What did Matthew Meselson and Franklin Stahl demonstrate about DNA replication?

In eukaryotes, replication of linear chromosomes is initiated at multiple sites, creating replication units called ____.

Which direction does DNA polymerase synthesize the leading strand?

What are the short fragments called that make up the lagging strand during DNA replication?

What is the role of DNA ligase in DNA replication?

Which enzyme is responsible for DNA replication in bacteria?

Which enzyme is responsible for proofreading DNA during replication?

What is the main function of DNA polymerase I in bacteria?

Which DNA polymerase is responsible for nuclear DNA synthesis in eukaryotes?

What is the main function of telomerase in eukaryotes?

Which enzyme is responsible for unwinding the DNA during replication in E. coli?

Which protein keeps the DNA unwound and accessible to the replication machinery?

What is the role of DNA ligase in DNA replication?

What is the function of the replisome in DNA replication?

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