Question 1

The genome of ________ ssRNA viruses can serve directly as mRNA.

Accepted Answer

A)  positive-sense (+) 
B)  negative-sense (-) 
C)  all 
D)  double-stranded 
E)  prion 
A)  positive-sense (+) 
B)  negative-sense (-) 
C)  all 
D)  double-stranded 
E)  prion

Question 2

How is the technique displayed in the figure below used to count virions in a solution?

Accepted Answer

Dilutions of a solution containing an un

Question 3

Viruses may be classified by the ________ method.

Accepted Answer

A)  Annapolis 
B)  Baltimore 
C)  Orono 
D)  Augusta 
E)  Portland 
A)  Annapolis 
B)  Baltimore 
C)  Orono 
D)  Augusta 
E)  Portland

Question 4

Discuss the role that marine viruses play in carbon balance.

Accepted Answer

The carbon cycle in a marine environment

Question 5

Tissue cultures are more feasible than whole animals for viral growth because they

Accepted Answer

A)  can develop vaccines. 
B)  can test a multitude of chemical and antibiotic agents. 
C)  are more time-consuming. 
D)  are less expensive. 
E)  are more expensive. 
A)  can develop vaccines. 
B)  can test a multitude of chemical and antibiotic agents. 
C)  are more time-consuming. 
D)  are less expensive. 
E)  are more expensive.

Question 6

What is NOT a difficulty of culturing viruses?

Accepted Answer

A)  tropism for particular tissue 
B)  tissue culture may not show organ property 
C)  loss of virulence 
D)  able to observe a large population 
E)  need a double culture of host cell and viruses 
A)  tropism for particular tissue 
B)  tissue culture may not show organ property 
C)  loss of virulence 
D)  able to observe a large population 
E)  need a double culture of host cell and viruses

Question 7

Large asymmetrical viruses are distinguished in that they

Accepted Answer

A)  have no envelope. 
B)  are protein fragments. 
C)  have few enzymes. 
D)  have nucleic acids. 
E)  have many enzymes. 
A)  have no envelope. 
B)  are protein fragments. 
C)  have few enzymes. 
D)  have nucleic acids. 
E)  have many enzymes.

Question 8

Some viral species may derive their ________ from intracellular membranes, such as the nuclear membrane or endoplasmic reticulum.

Accepted Answer

A)  capsid 
B)  genome 
C)  envelope 
D)  neck 
E)  tail fibers 
A)  capsid 
B)  genome 
C)  envelope 
D)  neck 
E)  tail fibers

Question 9

The number of virus particles released at lysis is referred to as

Accepted Answer

A)  the lytic number. 
B)  burst size. 
C)  the lysogenic number. 
D)  the temperate number. 
E)  the release number. 
A)  the lytic number. 
B)  burst size. 
C)  the lysogenic number. 
D)  the temperate number. 
E)  the release number.

Question 10

Which of the following are genes of common ancestry in two genomes that share the same function?

Accepted Answer

A)  homologs 
B)  open reading frames 
C)  proteomes 
D)  orthologs 
E)  lysogenic 
A)  homologs 
B)  open reading frames 
C)  proteomes 
D)  orthologs 
E)  lysogenic

The genome of ________ ssRNA viruses can serve directly as mRNA.

How is the technique displayed in the figure below used to count virions in a solution?

Viruses may be classified by the ________ method.

Discuss the role that marine viruses play in carbon balance.

Tissue cultures are more feasible than whole animals for viral growth because they

What is NOT a difficulty of culturing viruses?

Large asymmetrical viruses are distinguished in that they

Some viral species may derive their ________ from intracellular membranes, such as the nuclear membrane or endoplasmic reticulum.

The number of virus particles released at lysis is referred to as

Which of the following are genes of common ancestry in two genomes that share the same function?

Microbial Life: Origin and Discovery

Observing the Microbial Cell

Cell Structure and Function

Bacterial Culture, Growth, and Development

Environmental Influences and Control of Microbial Growth

Genomes and Chromosomes

Transcription, Translation, and Bioinformatics

Gene Transfer, Mutations, and Genome Evolution

Molecular Regulation

Viral Molecular Biology

Biotechniques and Synthetic Biology

Energetics and Catabolism

Electron Flow in Organotrophy, Lithotrophy, and Phototrophy

Biosynthesis

Food and Industrial Microbiology

Origins and Evolution

Bacterial Diversity

Archaeal Diversity

Eukaryotic Diversity

Microbial Ecology

Microbes in Global Elemental Cycles

Human Microbiota and Innate Immunity

The Adaptive Immune Response

Microbial Pathogenesis

Microbial Diseases

Antimicrobial Therapy

Clinical Microbiology and Epidemiology

Filters

Exam 6: Viruses

The genome of ________ ssRNA viruses can serve directly as mRNA.

How is the technique displayed in the figure below used to count virions in a solution?

Viruses may be classified by the ________ method.

Discuss the role that marine viruses play in carbon balance.

Tissue cultures are more feasible than whole animals for viral growth because they

What is NOT a difficulty of culturing viruses?

Large asymmetrical viruses are distinguished in that they

Some viral species may derive their ________ from intracellular membranes, such as the nuclear membrane or endoplasmic reticulum.

The number of virus particles released at lysis is referred to as

Which of the following are genes of common ancestry in two genomes that share the same function?

Microbial Life: Origin and Discovery

Observing the Microbial Cell

Cell Structure and Function

Bacterial Culture, Growth, and Development

Environmental Influences and Control of Microbial Growth

Genomes and Chromosomes

Transcription, Translation, and Bioinformatics

Gene Transfer, Mutations, and Genome Evolution

Molecular Regulation

Viral Molecular Biology

Biotechniques and Synthetic Biology

Energetics and Catabolism

Electron Flow in Organotrophy, Lithotrophy, and Phototrophy

Biosynthesis

Food and Industrial Microbiology

Origins and Evolution

Bacterial Diversity

Archaeal Diversity

Eukaryotic Diversity

Microbial Ecology

Microbes in Global Elemental Cycles

Human Microbiota and Innate Immunity

The Adaptive Immune Response

Microbial Pathogenesis

Microbial Diseases

Antimicrobial Therapy

Clinical Microbiology and Epidemiology

Filters