Question 1

All eukaryotes are diploid.

Accepted Answer

A) True 
 B)False

Question 2

Genetic elements known as promoters are initiation points in the process of

Accepted Answer

A)  DNA replication. 
B)  transcription. 
C)  translation. 
D)  mutation repair. 
E)  transformation. 
A)  DNA replication. 
B)  transcription. 
C)  translation. 
D)  mutation repair. 
E)  transformation.

Question 3

The process of ________ requires the activity of DNA ligase.

Accepted Answer

A)  translation 
B)  capping 
C)  transcription 
D)  DNA replication 
E)  transduction 
A)  translation 
B)  capping 
C)  transcription 
D)  DNA replication 
E)  transduction

Question 4

In contrast to leading strand synthesis, the lagging strand is synthesized 3' to 5', which is why it is slower.

Accepted Answer

A) True 
 B)False

Question 5

DNA damage caused by nitrous acid results in ________ mutations.

Accepted Answer

A)  insertion 
B)  substitution 
C)  deletion 
D)  frameshift 
E)  both insertion and deletion 
A)  insertion 
B)  substitution 
C)  deletion 
D)  frameshift 
E)  both insertion and deletion

Question 6

The effects of a transposition event are equivalent to a(n)

Accepted Answer

A)  nonsense mutation. 
B)  missense mutation. 
C)  frameshift mutation. 
D)  silent mutation. 
E)  HFR conjugation. 
A)  nonsense mutation. 
B)  missense mutation. 
C)  frameshift mutation. 
D)  silent mutation. 
E)  HFR conjugation.

Question 7

A polypeptide in a wild type microbe contains the sequence Leu-Pro-Tyr-Ser-Pro. A phenotypic variant of the species has the peptide sequence Leu-Pro-Cys-Ser-Pro. This is an example of a(n) ________ mutation.

Accepted Answer

A)  nonsense 
B)  missense 
C)  silent 
D)  frameshift 
E)  inversion 
A)  nonsense 
B)  missense 
C)  silent 
D)  frameshift 
E)  inversion

Question 8

Bacterial strain A contains a plasmid. Bacterial strain B does not. When the bacteria are incubated together in a broth culture strain B cells containing the plasmid can be isolated. Devise an experiment to determine what type of gene transfer process is involved.

Accepted Answer

A variety of answers are possible.For ex

Question 9

Which of the following is required for transposition?

Accepted Answer

A)  F+ plasmid 
B)  bacteriophage 
C)  insertion sequence 
D)  donor cell 
E)  competence 
A)  F+ plasmid 
B)  bacteriophage 
C)  insertion sequence 
D)  donor cell 
E)  competence

Question 10

The full set of genetic instructions of an organism is its (phenotype/genome/genotype).

Accepted Answer

The answer of The full set of genetic instructions of...

Question 11

Except during initiation of translation, transfer RNA molecules carrying amino acids initially bind to the ribosome at the (P/A/E) site.

Accepted Answer

The answer of Except during initiation of translation, transfer RNA...

Question 12

Most bacteria have a natural ability to take up DNA from their environment.

Accepted Answer

A) True 
 B)False

Question 13

If the codon AAA is changed to AAG, it still codes for the amino acid lysine; this is an example of a

Accepted Answer

A)  silent mutation. 
B)  nonsense mutation. 
C)  frameshift mutation. 
D)  dimer formation. 
E)  missense mutation. 
A)  silent mutation. 
B)  nonsense mutation. 
C)  frameshift mutation. 
D)  dimer formation. 
E)  missense mutation.

Question 14

Describe the basic similarities and differences between DNA replication and transcription.

Accepted Answer

DNA replication and transcription are si

Question 15

Transfer of DNA between bacterial cells by viruses is called (transformation/transduction/conjugation).

Accepted Answer

The answer of Transfer of DNA between bacterial cells by...

Exam 7: Microbial Genetics

All eukaryotes are diploid.

Genetic elements known as promoters are initiation points in the process of

The process of ________ requires the activity of DNA ligase.

In contrast to leading strand synthesis, the lagging strand is synthesized 3' to 5', which is why it is slower.

DNA damage caused by nitrous acid results in ________ mutations.

The effects of a transposition event are equivalent to a(n)

A polypeptide in a wild type microbe contains the sequence Leu-Pro-Tyr-Ser-Pro. A phenotypic variant of the species has the peptide sequence Leu-Pro-Cys-Ser-Pro. This is an example of a(n) ________ mutation.

Bacterial strain A contains a plasmid. Bacterial strain B does not. When the bacteria are incubated together in a broth culture strain B cells containing the plasmid can be isolated. Devise an experiment to determine what type of gene transfer process is involved.

Which of the following is required for transposition?

The full set of genetic instructions of an organism is its (phenotype/genome/genotype).

Except during initiation of translation, transfer RNA molecules carrying amino acids initially bind to the ribosome at the (P/A/E) site.

Most bacteria have a natural ability to take up DNA from their environment.

If the codon AAA is changed to AAG, it still codes for the amino acid lysine; this is an example of a

Describe the basic similarities and differences between DNA replication and transcription.

Transfer of DNA between bacterial cells by viruses is called (transformation/transduction/conjugation).

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Recombinant DNA Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Immune Disorders

Microbial Diseases of the Skin and Wounds

Microbial Diseases of the Nervous System and Eyes

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Industrial Microbiology

Microbial Ecology and Microbiomes

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