Cultivation of Viruses - Lec. 4

Question 1

What would you use to detach and dissociate cells for subculture ?

A. Tyrosine
B. Renin
C. Trypsin
D. Pepsin

Answer 1

C. Trypsin

Trypsin in conjunction with EDTA is used for detachment and dissociate of cells for subculture

Question 2

Which one of the following is not a common method of virus inoculation in embryonated eggs?

A. Yolk sac inoculation
B. Chorioallantoic membrane inoculation
C. Amniotic cavity inoculation
D. Air sac inoculation

Answer 2

D. Air sac inoculation

Question 3

In rate-zonal centrifugation, virus particles are separated on basis of their buoyant density.

True or False

Answer 3

False

Note: They are separated on the basis of their mass