Microbiology - Viruses From Animal and Plants

Exercise :: Viruses From Animal and Plants - Section 1

  • Viruses From Animal and Plants - Section 1
26. 

Supercoiling refers to the extra turns in the structure of ds DNA due to the action of

A. DNA gyrase
B. DNA pyrase
C. RNA gyrase
D. RNA pyrase

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

27. 

The tissue structure deteriorates as the virus multiplies. This deterioration is called

A. aneuploidy
B. protopathic effect
C. cytopathic effect
D. none of these

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

28. 

The structural abnormality of cells is termed as

A. hyperplasia
B. anaplasia
C. metastasis
D. all of these

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

29. 

The penetration of animal viruses into attached cells occur by mechanisms consisting of engulfment of whole virions by the cells in a phagocytic process called

A. vitropexis
B. viropexis
C. ectodesmata
D. vivopexis

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

30. 

Viropexis takes place in the phagocytic vacuoles and is due to the action of enzymes

A. DNA gyrase
B. lysosomal protease
C. lysosomal lipase
D. all of these

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.