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Microbiology
Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.
18. Viruses, Viroids, & Prions
Plaque Assays
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1
concept
Plaque Assays
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2
Problem
A clear area against a confluent "lawn"of bacteria is called a:
A
Phage.
B
Pock.
C
Cell growth.
D
Plaque.
E
Rash.
3
Problem
The approximate viral concentration of a sample is known as:
A
Quantal assay.
B
Endpoint assay.
C
The titer.
D
The lysate assay.
4
Problem
Which of the following statements accurately describes viral plaques?
A
Each plaque is presumed to arise form a single lytic virus particle.
B
Plaques are formed only by defective viral particles.
C
All bacteriophages produce plaques that have exactly the same size and appearance.
D
Plaques are only formed by animal viruses.e) Two or more of the above answers are correct.
E
Two or more of the above answers are correct.