Question 1

Translesion-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 2

Attaches adjacent Okazaki fragments, forming a continuous DNA strand.

Accepted Answer

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

Question 3

The first round of replication in the Meselson and Stahl experiment disproved which theory of replication?

Accepted Answer

A)  Semiconservative 
B)  Conservative 
C)  Dispersive 
D)  None-it took more than one round to disprove the theory 
A)  Semiconservative 
B)  Conservative 
C)  Dispersive 
D)  None-it took more than one round to disprove the theory

Question 4

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

Accepted Answer

A)  DNA polymerase can attach new nucleotides only in the 5' to 3' direction. 
B)  DNA polymerases must begin synthesis using an RNA primer. 
C)  DNA polymerases must have a template strand to copy from. 
D)  All of the above are restrictions of DNA polymerase. 
A)  DNA polymerase can attach new nucleotides only in the 5' to 3' direction. 
B)  DNA polymerases must begin synthesis using an RNA primer. 
C)  DNA polymerases must have a template strand to copy from. 
D)  All of the above are restrictions of DNA polymerase.

Question 5

DNA polymerase III synthesizes DNA at the rate of 300 nucleotides per minute.

Accepted Answer

A) True 
 B)False

Question 6

DNA polymerases are unable to replicate what areas of the chromosome?

Accepted Answer

A)  Centromeres 
B)  3' end of telomeres 
C)  Origins of replication 
A)  Centromeres 
B)  3' end of telomeres 
C)  Origins of replication

Question 7

Which of the following is NOT a reason for the high fidelity of DNA synthesis of DNA Pol III?

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 8

Bacterial DNA has how many origins of replication per chromosome?

Accepted Answer

A)  0 
B)  1 
C)  10 
D)  Depends on the size of the DNA 
A)  0 
B)  1 
C)  10 
D)  Depends on the size of the DNA

Translesion-replicating polymerases are ________.

Attaches adjacent Okazaki fragments, forming a continuous DNA strand.

The first round of replication in the Meselson and Stahl experiment disproved which theory of replication?

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

DNA polymerase III synthesizes DNA at the rate of 300 nucleotides per minute.

DNA polymerases are unable to replicate what areas of the chromosome?

Which of the following is NOT a reason for the high fidelity of DNA synthesis of DNA Pol III?

Bacterial DNA has how many origins of replication per chromosome?

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

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 and Translation Regulation

Gene Regulation in Eukaryotes Ii: Epigenetics

Non-Coding Rnas

Genetics of Viruses

Gene Mutation and Dna Repair

Recombination, Immunogenetics, and Transposition

Molecular Technologies

Biotechnology

Genomics I: Analysis of Dna

Genomics Ii: Functional Genomics, Proteomics, and Bioinformatics

Medical Genetics and Cancer

Developmental Genetics

Population Genetics

Complex and Quantitative Traits

Evolutionary Genetics

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Exam 11: Dna Replication

Translesion-replicating polymerases are ________.

Attaches adjacent Okazaki fragments, forming a continuous DNA strand.

The first round of replication in the Meselson and Stahl experiment disproved which theory of replication?

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

DNA polymerase III synthesizes DNA at the rate of 300 nucleotides per minute.

DNA polymerases are unable to replicate what areas of the chromosome?

Which of the following is NOT a reason for the high fidelity of DNA synthesis of DNA Pol III?

Bacterial DNA has how many origins of replication per chromosome?

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

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 and Translation Regulation

Gene Regulation in Eukaryotes Ii: Epigenetics

Non-Coding Rnas

Genetics of Viruses

Gene Mutation and Dna Repair

Recombination, Immunogenetics, and Transposition

Molecular Technologies

Biotechnology

Genomics I: Analysis of Dna

Genomics Ii: Functional Genomics, Proteomics, and Bioinformatics

Medical Genetics and Cancer

Developmental Genetics

Population Genetics

Complex and Quantitative Traits

Evolutionary Genetics

Filters