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Which of the following cells are responsible for phagocytosis in the body?
a) macrophages          
b) neutrophils
c) B-cells                    
d) both a and b

d

Any foreign particle enters the to body face…….
a) neutrophils             
b) macrophages
c) phagocytosis          
d) all of these

d

For adsorption virus uses………..
a) specific receptors
b) lysozyme    
c) the synthetic machinery of host     
d) all of these

a

Life Cycle of A Bacteriophage:


The lytic cycle, which is also commonly referred to as the "reproductive cycle" of the bacteriophage, is a six-stage cycle. The six stages are: attachment, penetration, transcription, biosynthesis, maturation, and lysis.

The virus that infects and becomes parasite on the bacterium is called…….
a) HIV                        
b) HBV
c) Visna                                  
d) Bacteriophage

d

There are …..types of life cycles of the phage virus.
a) two                         
b) three
c) four                        
d) five

a

Explanation: 1. Lytic cycle and
2. Lysogenic cycle


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