+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
The influenza viruses that infect man usually are derived from a type that could also infect:
|
Birds and pigs
|
|
In recent years outbreaks of deadly strains of flu virus in people in Hong Kong and Asia have led to the widespread slaughter of __________________ to prevent the spread of the virus.
|
Poultry
|
|
Which of the following can a virus not infect?
|
Bacteria
Amphibians
Reptiles
Plants
e. None of the above are correct
|
|
Which of the following diseases are caused by viruses?
|
The common cold and influenza
Smallpox and mononucleosis
Polio and rabies
Aids and warts
e. All of the above are correct
|
|
Most viruses:
|
Are extremely small
Do not consist of even a single cell
d. Both A and B are correct
|
|
A virus may contain which of the following?
|
DNA
RNA
A protein coat
An envelope
e. All of the above are correct
|
|
Which of the following would not be found in a virus?
|
A nucleus
Ribosomes
Both B and C are correct
|
|
The genetic information in viruses:
|
Is DNA or RNA
|
|
A capsid is:
|
A protein coat of a virus
|
|
A layer of host cell membrane attached to a virus is called:
|
An envelope
|
|
HIV is a:
|
Single-stranded RNA virus
|
|
The shape of a virus is determined by:
|
Its coat protein organization
|
|
An organism that a virus can replicate in without causing symptoms of disease:
|
Is called a reservoir
|
|
A reason or reasons given by scientists as to why viruses are not considered living organisms include:
|
Viruses do not reproduce on their own
|
|
Scientists may use which of the following to grow viral cultures in a laboratory?
|
Bacteria
Live animals
Live plants
Fertilized chicken eggs
e. All of the above are correct
|
