Exam 11: DNA Replication

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You have isolated what appears to be alien DNA. While studying its replication, you performed the exact experiment Meselson and Stahl did. After three generations, the DNA is subjected to a CsCl gradient and only one band appears. What type of replication does this DNA undergo?

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Question 1

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DNA polymerase III has an error in replication once every 100 million nucleotides.

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(True/False)

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Question 2

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Which of the following best describes the mechanism of DNA replication in which both a parental strand and daughter strand are combined following replication?

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Question 3

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Bacterial DNA has how many origins of replication?

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Question 4

You have discovered a strain of

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Question 5

DNA polymerase III is the main replication enzyme in prokaryotes. What is it in eukaryotes?

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Question 6

Which of the following is a restriction placed on DNA polymerase?

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Question 7

The ability of the DNA polymerase to remove mismatched bases is called exonuclease cleavage (proofreading).

(True/False)

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Question 8

DNA polymerase is a primer-dependent enzyme that functions only in the 5'-3' direction. These are the two most fundamental concepts to understanding this enzyme. Based on this, which of the following enzyme pairs are analogous in prokaryotes and eukaryotes?

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Question 9

The movement of the replication fork in bacterial replication is unidirectional.

(True/False)

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Question 10

Catenanes can only form in cells with circular chromosomes, such as bacteria.

(True/False)

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Question 11

DNA polymerase III can synthesize a new strand of DNA at the rate of 300 nucleotides per minute.

(True/False)

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Question 12

Fills in small regions of DNA where the RNA primers were located.

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Question 13

Which of the following best describes the mechanism of DNA replication in which both parental strands remain together following replication?

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Question 14

Which of the following is not correct concerning the initiation of bacterial replication?

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Question 15

Which of the following is an example of a processive enzyme?

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Question 16

Synthesizes the lagging strand of the DNA.

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Question 17

What functions are accomplished by the primosome?

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Question 18

DNA polymerase III has the ability to begin synthesis of the new daughter strands immediately following the formation of the replication fork.

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Question 19

Which of the following best describes the double-helix of DNA?

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Question 20

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Exam 11: DNA Replication

You have isolated what appears to be alien DNA. While studying its replication, you performed the exact experiment Meselson and Stahl did. After three generations, the DNA is subjected to a CsCl gradient and only one band appears. What type of replication does this DNA undergo?

DNA polymerase III has an error in replication once every 100 million nucleotides.

Which of the following best describes the mechanism of DNA replication in which both a parental strand and daughter strand are combined following replication?

Bacterial DNA has how many origins of replication?

You have discovered a strain of

DNA polymerase III is the main replication enzyme in prokaryotes. What is it in eukaryotes?

Which of the following is a restriction placed on DNA polymerase?

The ability of the DNA polymerase to remove mismatched bases is called exonuclease cleavage (proofreading).

DNA polymerase is a primer-dependent enzyme that functions only in the 5'-3' direction. These are the two most fundamental concepts to understanding this enzyme. Based on this, which of the following enzyme pairs are analogous in prokaryotes and eukaryotes?

The movement of the replication fork in bacterial replication is unidirectional.

Catenanes can only form in cells with circular chromosomes, such as bacteria.

DNA polymerase III can synthesize a new strand of DNA at the rate of 300 nucleotides per minute.

Fills in small regions of DNA where the RNA primers were located.

Which of the following best describes the mechanism of DNA replication in which both parental strands remain together following replication?

Which of the following is not correct concerning the initiation of bacterial replication?

Which of the following is an example of a processive enzyme?

Synthesizes the lagging strand of the DNA.

What functions are accomplished by the primosome?

DNA polymerase III has the ability to begin synthesis of the new daughter strands immediately following the formation of the replication fork.

Which of the following best describes the double-helix of DNA?

Overview of Genetics

Mendelian Inheritance

Chromosome Transmission During Cell Division and Sexual Reproduction

Extensions of Mendelian Inheritance

Non-Mendelian Inheritance

Genetic Linkage and Mapping in Eukaryotes

Genetic Transfer and Mapping in Bacteria and Bacteriophages

Variation in Chromosome Structure and Number

Molecular Structure of DNA and RNA

Chromosome Organization and Molecular Structure

Gene Transcription and RNA Modification

Translation of MRNA

Gene Regulation in Bacteria

Gene Regulation in Eukaryotes I: Transcriptional Regulation

Gene Regulation in Eukaryotes II: Epigenetics and Regulation at the RNA Level

Genetics of Viruses

Gene Mutation and Dna Repair

Recombination and Transposition at the Molecular Level

DNA Technologies

Biotechnology

Genomics I: Analysis of DNA

Genomics II: Functional Genomics, Proteomics, and Bioinformatics

Medical Genetics and Cancer

Developmental Genetics

Population Genetics

Quantitative Genetics

Evolutionary Genetics

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