In life cycle of bacteriophage which step occur after attachment of prophage with the receptor site of the bacterial cell wall_____________?

Related Mcqs:

1. Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves_______________?

   A. Strong covalent bond between virion and the receptor site.
   B. Week chemical unior between them
   C. Both A and B depending upon the phage
   D. None of these

2. In the lytic cycle of bacteriophage the host DNA is__________?

   A. Replicated
   B. Turn off by the protein coat.
   C. Digested into its nucleotides
   D. Turned on by the removal of the protein coat

3. The name Bacteriophage was coined by____________?

   A. Charles Chamberland
   B. Ivanowski
   C. Twort
   D. D Herelle

4. In which phase of cell cycle cell organelles are formed?

   A. S Phase
   B. G1 Phase
   C. G2 Phase
   D. G0 Phase

   Submitted by: Eesha Khalid

5. Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage_____________?

   A. Phage when gets incorporated with the bacterial chromosome is called prophage
   B. The bacterium continues to live and reproduce normally
   C. Lysogenic bacteria may get infected by the related phage
   D. The cycle may convert into lytic type resulting from environmental exposure

6. Glycolipids and glycoproteins have structural role in the ______________ matrix of animal and bacterial cell?

   A. Extracellular
   B. Intracellular
   C. Both of these
   D. Glucose

7. Which structure gives ability to the bacterial cell to form biofilm?

   A. Slime
   B. Mesosomes
   C. Capsule
   D. Flagella

   Submitted by: Muhammad Hassan Qureshi

8. Which step causes activation of catalytic site of an enzyme__________________?

   A. Change in pH of the surroundings.
   B. Formation of Enzyme Susstrate complex.
   C. Change in the charge of the active site.
   D. Change in temperature

9. In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called______________?

   A. Lysis
   B. Lysogeny
   C. Induction
   D. Adsorption

10. Which one of the following stage preceeds mitosis during cell cycle?

    A. G1 phase
    B. S phase
    C. G2 phase
    D. M phase