Question 1

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 2

In conjugation,F+ cells

Accepted Answer

A)  serve as recipient cells. 
B)  contain an F plasmid. 
C)  do not have conjugation pili. 
D)  can transfer DNA only to other F+ cells. 
E)  contain "jumping genes." 
A)  serve as recipient cells. 
B)  contain an F plasmid. 
C)  do not have conjugation pili. 
D)  can transfer DNA only to other F+ cells. 
E)  contain "jumping genes."

Question 3

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 4

DNA,which is negatively charged,wraps around positively charged histones as part of the packaging of eukaryotic chromosomes.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following processes is involved in the "central dogma" of genetics?

Accepted Answer

A)  translation only 
B)  transcription only 
C)  DNA replication only 
D)  transcription and translation 
E)  DNA replication and translation 
A)  translation only 
B)  transcription only 
C)  DNA replication only 
D)  transcription and translation 
E)  DNA replication and translation

Question 6

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 7

Frederick Griffith discovered

Accepted Answer

A)  transformation. 
B)  transposons. 
C)  the lac operon. 
D)  DNA. 
E)  conjugation. 
A)  transformation. 
B)  transposons. 
C)  the lac operon. 
D)  DNA. 
E)  conjugation.

Question 8

While studying a bacterial strain,a scientist notes a short DNA sequence between inverted repeats is present in both the chromosome and a plasmid within the cell.This sequence is most likely a(n)(phage/transposon/F plasmid).

Accepted Answer

The answer of While studying a bacterial strain,a scientist notes...

Question 9

The process of ________ is described as semiconservative.

Accepted Answer

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

Question 10

Which of the following types of plasmids allows a bacterial cell to kill its competitors?

Accepted Answer

A)  virulence plasmids 
B)  fertility plasmids 
C)  bacteriocin plasmids 
D)  resistance plasmids 
E)  cryptic plasmids 
A)  virulence plasmids 
B)  fertility plasmids 
C)  bacteriocin plasmids 
D)  resistance plasmids 
E)  cryptic plasmids

Question 11

Which of the following statements concerning transcription in bacteria is FALSE?

Accepted Answer

A)  It occurs in the nucleoid region. 
B)  Sigma factors are parts of RNA polymerase that recognize promoter regions. 
C)  Different RNA polymerases are required for synthesis of mRNA, rRNA, and tRNA. 
D)  Termination is either self-induced or due to the presence of Rho protein. 
E)  There are a variety of sigma factors that affect transcription. 
A)  It occurs in the nucleoid region. 
B)  Sigma factors are parts of RNA polymerase that recognize promoter regions. 
C)  Different RNA polymerases are required for synthesis of mRNA, rRNA, and tRNA. 
D)  Termination is either self-induced or due to the presence of Rho protein. 
E)  There are a variety of sigma factors that affect transcription.

Question 12

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 13

The process indicated by the arrow in Figure 7.1 represents

Accepted Answer

A)  lagging strand synthesis. 
B)  leading strand synthesis. 
C)  transcription. 
D)  translation. 
E)  recombination. 
A)  lagging strand synthesis. 
B)  leading strand synthesis. 
C)  transcription. 
D)  translation. 
E)  recombination.

Question 14

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...

Question 15

Which of the following is both a codon for an amino acid and a start signal?

Accepted Answer

A)  AAA 
B)  AUG 
C)  UAG 
D)  GAU 
E)  UGA 
A)  AAA 
B)  AUG 
C)  UAG 
D)  GAU 
E)  UGA

Question 16

All of the following are associated with nucleic acid structure EXCEPT

Accepted Answer

A)  ribose. 
B)  hydrogen bonds. 
C)  uracil. 
D)  ionic bonds. 
E)  phosphate. 
A)  ribose. 
B)  hydrogen bonds. 
C)  uracil. 
D)  ionic bonds. 
E)  phosphate.

Question 17

Which of the following statements is true of bacterial plasmids?

Accepted Answer

A)  They are always found in the nucleoid. 
B)  They can replicate autonomously. 
C)  They carry genes for essential metabolic functions. 
D)  They are small circular DNA molecules. 
E)  They are small circular DNA molecules that can replicate autonomously. 
A)  They are always found in the nucleoid. 
B)  They can replicate autonomously. 
C)  They carry genes for essential metabolic functions. 
D)  They are small circular DNA molecules. 
E)  They are small circular DNA molecules that can replicate autonomously.

Question 18

The events of ________ are initiated at sequences called origins.

Accepted Answer

A)  DNA replication 
B)  translation 
C)  splicing 
D)  transcription 
E)  transposition 
A)  DNA replication 
B)  translation 
C)  splicing 
D)  transcription 
E)  transposition

Question 19

Semiconservative DNA replication means that

Accepted Answer

A)  each daughter DNA molecule is composed of one original strand and one new strand. 
B)  nucleotides are constantly being recycled as cells make DNA. 
C)  the cell can proofread its newly synthesized DNA only part of the time. 
D)  the sequence of a DNA molecule is preserved as it is being replicated. 
E)  each strand of a double-stranded DNA molecule is replicated differently. 
A)  each daughter DNA molecule is composed of one original strand and one new strand. 
B)  nucleotides are constantly being recycled as cells make DNA. 
C)  the cell can proofread its newly synthesized DNA only part of the time. 
D)  the sequence of a DNA molecule is preserved as it is being replicated. 
E)  each strand of a double-stranded DNA molecule is replicated differently.

Question 20

The modified amino acid fMet is essential for

Accepted Answer

A)  bacterial translation. 
B)  bacterial transcription. 
C)  eukaryotic transcription. 
D)  eukaryotic translation. 
E)  eukaryotic mRNA processing. 
A)  bacterial translation. 
B)  bacterial transcription. 
C)  eukaryotic transcription. 
D)  eukaryotic translation. 
E)  eukaryotic mRNA processing.

Exam 7: Microbial Genetics

The process of ________ requires the activity of DNA ligase.

In conjugation,F+ cells

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

DNA,which is negatively charged,wraps around positively charged histones as part of the packaging of eukaryotic chromosomes.

Which of the following processes is involved in the "central dogma" of genetics?

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

Frederick Griffith discovered

While studying a bacterial strain,a scientist notes a short DNA sequence between inverted repeats is present in both the chromosome and a plasmid within the cell.This sequence is most likely a(n)(phage/transposon/F plasmid).

The process of ________ is described as semiconservative.

Which of the following types of plasmids allows a bacterial cell to kill its competitors?

Which of the following statements concerning transcription in bacteria is FALSE?

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

The process indicated by the arrow in Figure 7.1 represents

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

Which of the following is both a codon for an amino acid and a start signal?

All of the following are associated with nucleic acid structure EXCEPT

Which of the following statements is true of bacterial plasmids?

The events of ________ are initiated at sequences called origins.

Semiconservative DNA replication means that

The modified amino acid fMet is essential for

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

Pathogenic Gram Positive Bacteria

Pathogenic Gram-Negative Cocci and Bacilli

Rickettsias, Chlamydias, Spirochetes, and Vibrios

Pathogenic Fungi

Parasitic Protozoa, Helminths, and Arthropod Vectors

Pathogenic DNA Viruses

Pathogenic RNA Viruses

Applied and Environmental Microbiology

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