Question 1

The gene of an operon that codes for a protein repressor is called the

Accepted Answer

A) operator. 
B) structural locus. 
C) regulator. 
D) promoter. 
A) operator. 
B) structural locus. 
C) regulator. 
D) promoter.

Question 2

Folding of the 5'end of a mRNA, such that binding to the ribosome is altered, is most likely to affect

Accepted Answer

A) replication. 
B) transcription. 
C) translation. 
D) transformation. 
A) replication. 
B) transcription. 
C) translation. 
D) transformation.

Question 3

Which of the following is not true of the prokaryotic ribosome?

Accepted Answer

A) Prokaryotic ribosomes are 70S. 
B) A prokaryotic ribosome has a peptide (P) site. 
C) A prokaryotic ribosome has an exit (
E)  site. 
D) The small subunit provides the enzymes for making peptide bonds. 
E) The prokaryotic ribosome has an amino acyl (
A)  site. 
A) Prokaryotic ribosomes are 70S. 
B) A prokaryotic ribosome has a peptide (P) site. 
C) A prokaryotic ribosome has an exit (
E)  site. 
D) The small subunit provides the enzymes for making peptide bonds. 
E) The prokaryotic ribosome has an amino acyl (
A)  site.

Question 4

The development of virulent, toxin-producing bacterial strains due to the presence of a temperate phage can occur in

Accepted Answer

A) bacterial conjugation. 
B) transformation. 
C) generalized transduction. 
D) specialized transduction. 
E) All of these choices are correct. 
A) bacterial conjugation. 
B) transformation. 
C) generalized transduction. 
D) specialized transduction. 
E) All of these choices are correct.

Question 5

If a codon for alanine is GCA.What is the anticodon?

Accepted Answer

A) GCA 
B) CGT 
C) ACG 
D) CGU 
E) UGC 
A) GCA 
B) CGT 
C) ACG 
D) CGU 
E) UGC

Question 6

Which of the following is not a type of bacterial DNA recombination?

Accepted Answer

A) transformation 
B) conjugation 
C) mitosis 
D) transduction 
A) transformation 
B) conjugation 
C) mitosis 
D) transduction

Question 7

Which cell can transfer the most DNA?

Accepted Answer

A) F+ cell 
B) F-cell 
C) Hfr cell 
D) R cell 
E) B cell 
A) F+ cell 
B) F-cell 
C) Hfr cell 
D) R cell 
E) B cell

Question 8

Induced mutations result from errors in DNA replication.

Accepted Answer

A) True 
 B)False

Question 9

The different types of nucleic acids found in viruses include all of the following except

Accepted Answer

A) double-stranded DNA. 
B) single-stranded DNA. 
C) double-stranded RNA. 
D) single-stranded RNA. 
E) There are no exceptions here.Each of these types may be found in viruses. 
A) double-stranded DNA. 
B) single-stranded DNA. 
C) double-stranded RNA. 
D) single-stranded RNA. 
E) There are no exceptions here.Each of these types may be found in viruses.

Question 10

Transcription occurs in the nucleus or at the nucleoid.

Accepted Answer

A) True 
 B)False

Question 11

Eukaryotic chromosomes differ from prokaryotic chromosomes because only eukaryotes have

Accepted Answer

A) histone proteins. 
B) chromosomes in a nucleus. 
C) several to many chromosomes. 
D) elongated linear, not circular, chromosomes. 
E) All of these choices are correct. 
A) histone proteins. 
B) chromosomes in a nucleus. 
C) several to many chromosomes. 
D) elongated linear, not circular, chromosomes. 
E) All of these choices are correct.

Question 12

A frameshift is caused by ______ mutations?

Accepted Answer

A) missense and insertion 
B) missense and nonsense 
C) nonsense and deletion 
D) deletion and insertion 
E) insertion and nonsense 
A) missense and insertion 
B) missense and nonsense 
C) nonsense and deletion 
D) deletion and insertion 
E) insertion and nonsense

Question 13

Structural genes code for

Accepted Answer

A) ribosomal RNA molecules. 
B) transfer RNA molecules. 
C) cellular proteins. 
D) gene expression elements. 
E) All of these choices are correct. 
A) ribosomal RNA molecules. 
B) transfer RNA molecules. 
C) cellular proteins. 
D) gene expression elements. 
E) All of these choices are correct.

The gene of an operon that codes for a protein repressor is called the

Folding of the 5'end of a mRNA, such that binding to the ribosome is altered, is most likely to affect

Which of the following is not true of the prokaryotic ribosome?

The development of virulent, toxin-producing bacterial strains due to the presence of a temperate phage can occur in

If a codon for alanine is GCA.What is the anticodon?

Which of the following is not a type of bacterial DNA recombination?

Which cell can transfer the most DNA?

Induced mutations result from errors in DNA replication.

The different types of nucleic acids found in viruses include all of the following except

Transcription occurs in the nucleus or at the nucleoid.

Eukaryotic chromosomes differ from prokaryotic chromosomes because only eukaryotes have

A frameshift is caused by ______ mutations?

Structural genes code for

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host--The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

Filters

Exam 9: Microbial Genetics

The gene of an operon that codes for a protein repressor is called the

Folding of the 5'end of a mRNA, such that binding to the ribosome is altered, is most likely to affect

Which of the following is not true of the prokaryotic ribosome?

The development of virulent, toxin-producing bacterial strains due to the presence of a temperate phage can occur in

If a codon for alanine is GCA.What is the anticodon?

Which of the following is not a type of bacterial DNA recombination?

Which cell can transfer the most DNA?

Induced mutations result from errors in DNA replication.

The different types of nucleic acids found in viruses include all of the following except

Transcription occurs in the nucleus or at the nucleoid.

Eukaryotic chromosomes differ from prokaryotic chromosomes because only eukaryotes have

A frameshift is caused by ______ mutations?

Structural genes code for

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host--The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

Filters