Exam 20: DNA Replication, repair, and Recombination

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During recombination in E.coli, recognize(s)regions of sequence similarity and promote(s)strand invasion,while bind(s)to a Holliday junction promoting strand migration.

(Multiple Choice)

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Question 81

Which is not an activity for DNA polymerase I?

(Multiple Choice)

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Question 82

Polymerization of the lagging strand is catalyzed by ________.

(Multiple Choice)

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Question 83

DNA that has been liberally labeled with radioactive 14C is used as the template for replication.Replication is carried out in a medium containing only unlabeled nucleotides.After two rounds of replication,what percent of DNA molecules are still labeled?

(Multiple Choice)

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Question 84

DNA polymerase III requires a(n)________ for synthesis of DNA to occur.

(Multiple Choice)

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Question 85

All recombination events involve homologous recombination between closely related DNA sequences.

(True/False)

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Question 86

In DNA repair,DNA glycosylases recognize deaminated ________ within the DNA polymer and remove them.

(Multiple Choice)

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Question 87

In photoreactivation,DNA damage caused by UV light is reversed by DNA photolyase which

(Multiple Choice)

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Question 88

Homologous recombination is the exchange of DNA between closely related DNA sequences.

(True/False)

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Question 89

Showing 81 - 89 of 89

During recombination in E.coli, recognize(s)regions of sequence similarity and promote(s)strand invasion,while bind(s)to a Holliday junction promoting strand migration.

Which is not an activity for DNA polymerase I?

Polymerization of the lagging strand is catalyzed by ________.

DNA that has been liberally labeled with radioactive 14C is used as the template for replication.Replication is carried out in a medium containing only unlabeled nucleotides.After two rounds of replication,what percent of DNA molecules are still labeled?

DNA polymerase III requires a(n)________ for synthesis of DNA to occur.

All recombination events involve homologous recombination between closely related DNA sequences.

In DNA repair,DNA glycosylases recognize deaminated ________ within the DNA polymer and remove them.

In photoreactivation,DNA damage caused by UV light is reversed by DNA photolyase which

Homologous recombination is the exchange of DNA between closely related DNA sequences.

Introduction to Biochemistry

Water

Amino Acids and the Primary Structures of Proteins

Proteins: Three-Dimensional Structure and Function

Properties of Enzymes

Mechanisms of Enzymes

Coenzymes and Vitamins

Carbohydrates

Lipids and Membranes

Introduction to Metabolism

Glycolysis

Gluconeogenesis, the Pentose Phosphate Pathway, and Glycogen Metabolism

The Citric Acid Cycle

Electron Transport and Atp Synthesis

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Nucleotide Metabolism

Nucleic Acids

Transcription and RNA Processing

Protein Synthesis

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Exam 20: DNA Replication, repair, and Recombination

During recombination in E.coli,________ recognize(s)regions of sequence similarity and promote(s)strand invasion,while ________ bind(s)to a Holliday junction promoting strand migration.

Which is not an activity for DNA polymerase I?

Polymerization of the lagging strand is catalyzed by ________.

DNA that has been liberally labeled with radioactive 14C is used as the template for replication.Replication is carried out in a medium containing only unlabeled nucleotides.After two rounds of replication,what percent of DNA molecules are still labeled?

DNA polymerase III requires a(n)________ for synthesis of DNA to occur.

All recombination events involve homologous recombination between closely related DNA sequences.

In DNA repair,DNA glycosylases recognize deaminated ________ within the DNA polymer and remove them.

In photoreactivation,DNA damage caused by UV light is reversed by DNA photolyase which

Homologous recombination is the exchange of DNA between closely related DNA sequences.

Introduction to Biochemistry

Water

Amino Acids and the Primary Structures of Proteins

Proteins: Three-Dimensional Structure and Function

Properties of Enzymes

Mechanisms of Enzymes

Coenzymes and Vitamins

Carbohydrates

Lipids and Membranes

Introduction to Metabolism

Glycolysis

Gluconeogenesis, the Pentose Phosphate Pathway, and Glycogen Metabolism

The Citric Acid Cycle

Electron Transport and Atp Synthesis

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Nucleotide Metabolism

Nucleic Acids

Transcription and RNA Processing

Protein Synthesis

Filters

During recombination in E.coli, recognize(s)regions of sequence similarity and promote(s)strand invasion,while bind(s)to a Holliday junction promoting strand migration.