Microbiology - Viruses

Exercise :: Viruses - Section 1

31. 

The size of viruses is usually measured in

A. centimeters
B. micrometers
C. nanometers
D. millimeters

Answer: Option C

Explanation:

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32. 

The temperate phage that have no site specificity for insertion and may even be able to insert multiple copies of their DNA into a single bacterial chromosome is

A. λ phage enzyme
B. λ DNA
C. Phage Mu
D. Phage Mn

Answer: Option C

Explanation:

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33. 

Enzyme neuraminidase is carried by which of the following viruses?

A. Human immunodeficiency virus
B. Epstein-Barr virus
C. Influenza virus
D. Adenovirus

Answer: Option C

Explanation:

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34. 

Lysozyme (an endolysin) which will lyse the bacterial cell, releasing the mature virions is present in

A. immediate early phage genes
B. late genes
C. delayed early genes
D. all of these

Answer: Option B

Explanation:

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35. 

Which of the following is continuous cell line?

A. HeLa
B. HEp-2
C. KB
D. All of these

Answer: Option D

Explanation:

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