Exam 13: Dna Replication and Repair

What enzyme is responsible for recognizing a chemical alteration in the DNA and removing the base by cleavage of the bond holding the base to the deoxyribose sugar moiety?

(Multiple Choice)

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Question 81

Cyclin-dependent kinase activity stays high through mitosis after rising prior to DNA synthesis. Which of the following results from its elevated activity?

(Multiple Choice)

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Question 82

Which DNA polymerase in bacteria synthesizes DNA strands during replication and forms part of a complex that serves as a large replication machine?

(Multiple Choice)

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Question 83

Theoretically, in the most efficient model of data storage, how many "bits" of information can be stored per nucleotide position when using DNA for data storage?

(Multiple Choice)

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Question 84

Which DNA repair mechanism removes altered nucleotides generated by reactive chemicals present in the diet or produced by metabolism?

(Multiple Choice)

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Question 85

What happens to DNA (circular DNA or linear DNA that is not free to rotate)when it becomes overwound?

(Multiple Choice)

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Question 86

The _____ strand fragment grows away from the replication fork toward the _ of the previously synthesized fragment to which it is subsequently linked.

(Multiple Choice)

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Question 87

DNA sequences comprising the yeast origin of replication can be removed from yeast cells and inserted into bacterial DNA molecules. Because these sequences promote replication of the DNA in which they are contained, they are referred to as __________. (Select all correct choices)

(Multiple Choice)

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Question 88

What is responsible for removing the RNA primer and short DNA segment added by eukaryotic DNA polymerase δ?

(Multiple Choice)

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Question 89

Why did natural selection favor the use of thymine as a base in DNA instead of uracil even though uracil was presumably present in RNA, when it served as the genetic material during the early evolution of life?

(Multiple Choice)

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Question 90

The stepwise assembly of nucleosomes and their orderly spacing along the DNA is facilitated by __________________.

(Multiple Choice)

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Question 91

Where is DNA gyrase normally positioned as it changes positively supercoiled DNA into negatively supercoiled DNA in the replicating circular, bacterial chromosome?

(Multiple Choice)

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Question 92

What evidence suggests that the assembly of DNA into nucleosomes is a very rapid event?

(Multiple Choice)

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Question 93

The replication fork generates _ supercoils in the _ portion of the DNA molecule.

(Multiple Choice)

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Question 94

What was the term used to describe the involvement of the public in determining useful mutations in plants derived from gamma garden seed production?

(Multiple Choice)

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Question 95

Why is a single-stranded, circular DNA an ineffective template for DNA polymerase?

(Multiple Choice)

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Question 96

What enzyme cleaves the DNA backbone to remove the beheaded deoxyribose phosphate during base excision repair?

(Multiple Choice)

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Question 97

What must the mismatch repair system be able to distinguish in order to tell which nucleotide of a mismatched pair to replace?

(Multiple Choice)

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Question 98

Showing 81 - 98 of 98

What enzyme is responsible for recognizing a chemical alteration in the DNA and removing the base by cleavage of the bond holding the base to the deoxyribose sugar moiety?

Cyclin-dependent kinase activity stays high through mitosis after rising prior to DNA synthesis. Which of the following results from its elevated activity?

Which DNA polymerase in bacteria synthesizes DNA strands during replication and forms part of a complex that serves as a large replication machine?

Theoretically, in the most efficient model of data storage, how many "bits" of information can be stored per nucleotide position when using DNA for data storage?

Which DNA repair mechanism removes altered nucleotides generated by reactive chemicals present in the diet or produced by metabolism?

What happens to DNA (circular DNA or linear DNA that is not free to rotate)when it becomes overwound?

The _____ strand fragment grows away from the replication fork toward the _ of the previously synthesized fragment to which it is subsequently linked.

DNA sequences comprising the yeast origin of replication can be removed from yeast cells and inserted into bacterial DNA molecules. Because these sequences promote replication of the DNA in which they are contained, they are referred to as __________. (Select all correct choices)

What is responsible for removing the RNA primer and short DNA segment added by eukaryotic DNA polymerase δ?

Why did natural selection favor the use of thymine as a base in DNA instead of uracil even though uracil was presumably present in RNA, when it served as the genetic material during the early evolution of life?

The stepwise assembly of nucleosomes and their orderly spacing along the DNA is facilitated by __________________.

Where is DNA gyrase normally positioned as it changes positively supercoiled DNA into negatively supercoiled DNA in the replicating circular, bacterial chromosome?

What evidence suggests that the assembly of DNA into nucleosomes is a very rapid event?

The replication fork generates _ supercoils in the _ portion of the DNA molecule.

What was the term used to describe the involvement of the public in determining useful mutations in plants derived from gamma garden seed production?

Why is a single-stranded, circular DNA an ineffective template for DNA polymerase?

What enzyme cleaves the DNA backbone to remove the beheaded deoxyribose phosphate during base excision repair?

What must the mismatch repair system be able to distinguish in order to tell which nucleotide of a mismatched pair to replace?

Introduction to the Study of Cell and Molecular Biology

The Chemical Basis of Life

Bioenergetics, Enzymes and Metabolism

The Structure and Function of the Plasma Membrane

Aerobic Respiration and the Mitochondrion

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Cytoskeleton and Cell Motility

The Nature of the Gene and the Genome

Gene Expression: From Transcription to Translation

Control of Gene Expression

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

Exam 13: Dna Replication and Repair

What enzyme is responsible for recognizing a chemical alteration in the DNA and removing the base by cleavage of the bond holding the base to the deoxyribose sugar moiety?

Cyclin-dependent kinase activity stays high through mitosis after rising prior to DNA synthesis. Which of the following results from its elevated activity?

Which DNA polymerase in bacteria synthesizes DNA strands during replication and forms part of a complex that serves as a large replication machine?

Theoretically, in the most efficient model of data storage, how many "bits" of information can be stored per nucleotide position when using DNA for data storage?

Which DNA repair mechanism removes altered nucleotides generated by reactive chemicals present in the diet or produced by metabolism?

What happens to DNA (circular DNA or linear DNA that is not free to rotate)when it becomes overwound?

The _______ strand fragment grows away from the replication fork toward the ___ of the previously synthesized fragment to which it is subsequently linked.

DNA sequences comprising the yeast origin of replication can be removed from yeast cells and inserted into bacterial DNA molecules. Because these sequences promote replication of the DNA in which they are contained, they are referred to as __________. (Select all correct choices)

What is responsible for removing the RNA primer and short DNA segment added by eukaryotic DNA polymerase δ?

Why did natural selection favor the use of thymine as a base in DNA instead of uracil even though uracil was presumably present in RNA, when it served as the genetic material during the early evolution of life?

The stepwise assembly of nucleosomes and their orderly spacing along the DNA is facilitated by __________________.

Where is DNA gyrase normally positioned as it changes positively supercoiled DNA into negatively supercoiled DNA in the replicating circular, bacterial chromosome?

What evidence suggests that the assembly of DNA into nucleosomes is a very rapid event?

The replication fork generates _______ supercoils in the _______ portion of the DNA molecule.

What was the term used to describe the involvement of the public in determining useful mutations in plants derived from gamma garden seed production?

Why is a single-stranded, circular DNA an ineffective template for DNA polymerase?

What enzyme cleaves the DNA backbone to remove the beheaded deoxyribose phosphate during base excision repair?

What must the mismatch repair system be able to distinguish in order to tell which nucleotide of a mismatched pair to replace?

Introduction to the Study of Cell and Molecular Biology

The Chemical Basis of Life

Bioenergetics, Enzymes and Metabolism

The Structure and Function of the Plasma Membrane

Aerobic Respiration and the Mitochondrion

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Cytoskeleton and Cell Motility

The Nature of the Gene and the Genome

Gene Expression: From Transcription to Translation

Control of Gene Expression

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

The _____ strand fragment grows away from the replication fork toward the _ of the previously synthesized fragment to which it is subsequently linked.

The replication fork generates _ supercoils in the _ portion of the DNA molecule.