Podcast
Questions and Answers
Which of the following is a type of infectious agent that lacks a cellular structure?
Which of the following is a type of infectious agent that lacks a cellular structure?
- oncogenic viruses
- viroids
- phages
- prions (correct)
What is the purpose of using viruses to produce vaccines?
What is the purpose of using viruses to produce vaccines?
- To cause viral infections
- To prevent certain viral infections (correct)
- To produce more viruses
- To destroy harmful bacteria
What is the size range of viruses?
What is the size range of viruses?
- 2 mm to 450 mm
- 2 μm to 450 μm
- 2 nm to 450 nm (correct)
- 2 m to 450 m
What is the term used to describe a fully formed virus that can cause an infection in a host cell?
What is the term used to describe a fully formed virus that can cause an infection in a host cell?
Which of the following is not a major element of a microbial cell?
Which of the following is not a major element of a microbial cell?
Which term refers to an organism that uses organic compounds as its carbon source?
Which term refers to an organism that uses organic compounds as its carbon source?
Who developed a rabies vaccine by separating bacteria from virus using a filter?
Who developed a rabies vaccine by separating bacteria from virus using a filter?
Which of the following can host viruses?
Which of the following can host viruses?
Which term is used to describe the shape of a virus capsid?
Which term is used to describe the shape of a virus capsid?
What does a naked virus lack?
What does a naked virus lack?
What does reverse transcriptase synthesize?
What does reverse transcriptase synthesize?
What does the term facultative refer to?
What does the term facultative refer to?
What is the term for the diffusion of water through a semipermeable membrane?
What is the term for the diffusion of water through a semipermeable membrane?
What would happen to bacteria living in a freshwater stream if moved to salty seawater?
What would happen to bacteria living in a freshwater stream if moved to salty seawater?
What is the specific term for the process where whole cells or large molecules are engulfed by a cell?
What is the specific term for the process where whole cells or large molecules are engulfed by a cell?
Which group do human pathogens fall into?
Which group do human pathogens fall into?
A microorganism lacking catalase or superoxide dismutase would struggle to live in an environment with?
A microorganism lacking catalase or superoxide dismutase would struggle to live in an environment with?
Which of the following factors would inhibit the growth of an obligate aerobe?
Which of the following factors would inhibit the growth of an obligate aerobe?
Which type of organism can switch between aerobic and anaerobic respiration pathways?
Which type of organism can switch between aerobic and anaerobic respiration pathways?
An organism that cannot tolerate any oxygen in its environment is classified as a(n):
An organism that cannot tolerate any oxygen in its environment is classified as a(n):
Which environment would be most suitable for the growth of a halophile?
Which environment would be most suitable for the growth of a halophile?
During which phase of the bacterial growth curve do cell division and cell death rates become equal?
During which phase of the bacterial growth curve do cell division and cell death rates become equal?
In the viable plate count method, what does each colony represent?
In the viable plate count method, what does each colony represent?
What determines the host range and tissue specificity of a virus?
What determines the host range and tissue specificity of a virus?
What term describes the ability of a virus to cause tumors in mammals?
What term describes the ability of a virus to cause tumors in mammals?
Which of the following best describes a virus that can remain dormant but periodically reactivate?
Which of the following best describes a virus that can remain dormant but periodically reactivate?
What is the term for the process where a viral genome inserts itself into a bacterial host chromosome?
What is the term for the process where a viral genome inserts itself into a bacterial host chromosome?
What term is used to specifically refer to viruses that infect bacteria?
What term is used to specifically refer to viruses that infect bacteria?
Which of the following are infectious protein particles?
Which of the following are infectious protein particles?
