Question 1

Which of the following stops the replication of DNA in prokaryotes?

Accepted Answer

A) Tus proteins 
B) DNA ligase 
C) Okazaki fragments 
D) The end of the chromosome 
A) Tus proteins 
B) DNA ligase 
C) Okazaki fragments 
D) The end of the chromosome

Question 2

What was the control in Arthur Kornberg's in vitro replication experiment described in this chapter?

Accepted Answer

A)  The use of radiolabeled nucleotide triphosphates 
B)  The exclusion of template DNA in one test tube 
C)  Adding perchloric acid 
D)  The use of 
E) coli proteins 
A)  The use of radiolabeled nucleotide triphosphates 
B)  The exclusion of template DNA in one test tube 
C)  Adding perchloric acid 
D)  The use of 
E) coli proteins

Question 3

Okazaki fragments do which of the following?

Accepted Answer

A) Assist in forming the replication fork 
B) Bind to the oriC region 
C) Assist in the synthesis of DNA from the lagging strand 
D) Reform the double-helix following replication 
E) None of the answers are correct 
A) Assist in forming the replication fork 
B) Bind to the oriC region 
C) Assist in the synthesis of DNA from the lagging strand 
D) Reform the double-helix following replication 
E) None of the answers are correct

Question 4

Which of the following is NOT a reason for the high fidelity of the newly synthesized DNA molecule?

Accepted Answer

A)  The hydrogen bonding between purines and pyrimidines is stable. 
B)  The DNA polymerase is unlikely to form bonds between nucleotides if they are mismatched. 
C)  The DNA polymerase has exonuclease functions. 
D)  The DNA polymerase has the ability to change the structure of the base in order to form the correct bond. 
A)  The hydrogen bonding between purines and pyrimidines is stable. 
B)  The DNA polymerase is unlikely to form bonds between nucleotides if they are mismatched. 
C)  The DNA polymerase has exonuclease functions. 
D)  The DNA polymerase has the ability to change the structure of the base in order to form the correct bond.

Question 5

Lesion-replicating polymerases are _________.

Accepted Answer

A) Only active in skin cells 
B) Used to replicate damaged DNA 
C) Used to induce genetic diversity 
D) None of the answers are correct 
A) Only active in skin cells 
B) Used to replicate damaged DNA 
C) Used to induce genetic diversity 
D) None of the answers are correct

Question 6

Manufactures a 10-12 base segment of RNA.

Accepted Answer

A) DNA ligase 
B) Primase 
C) Topoisomerase 
D) DNA polymerase I 
E) DNA polymerase III 
A) DNA ligase 
B) Primase 
C) Topoisomerase 
D) DNA polymerase I 
E) DNA polymerase III

Question 7

What types of mutants were essential to the discovery of new replication enzymes?

Accepted Answer

A) Gain-of-function mutations 
B) Lethal mutations 
C) Temperature-sensitive mutations 
D) None of the answers are correct 
A) Gain-of-function mutations 
B) Lethal mutations 
C) Temperature-sensitive mutations 
D) None of the answers are correct

Question 8

The origin of replication in bacteria is called OriC.

Accepted Answer

A) True 
 B)False

Which of the following stops the replication of DNA in prokaryotes?

What was the control in Arthur Kornberg's in vitro replication experiment described in this chapter?

Okazaki fragments do which of the following?

Which of the following is NOT a reason for the high fidelity of the newly synthesized DNA molecule?

Lesion-replicating polymerases are _________.

Manufactures a 10-12 base segment of RNA.

What types of mutants were essential to the discovery of new replication enzymes?

The origin of replication in bacteria is called OriC.

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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Exam 11: DNA Replication

Which of the following stops the replication of DNA in prokaryotes?

What was the control in Arthur Kornberg's in vitro replication experiment described in this chapter?

Okazaki fragments do which of the following?

Which of the following is NOT a reason for the high fidelity of the newly synthesized DNA molecule?

Lesion-replicating polymerases are _________.

Manufactures a 10-12 base segment of RNA.

What types of mutants were essential to the discovery of new replication enzymes?

The origin of replication in bacteria is called OriC.

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

Filters