In the lytic cycle of bacteriophage the host DNA is__________?

Related Mcqs:

1. 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

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

   A. Absorption
   B. Multiplication
   C. Lysogeny
   D. Penetration

3. The name Bacteriophage was coined by____________?

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

4. 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

5. In the Lysogenic cycle the DNA of the bacteriophage__________________?

   A. Joins the bacterial chromosomes
   B. Attaches to the inner surface of the host membrane
   C. Is immediately degraded when enters the host
   D. Goes directly to host ribosomes for translation

6. DNA of mitochondria is__________?

   A. circular
   B. spring
   C. straight
   D. All of these

   Submitted by: Kiran Zafar

7. 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

8. The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by________?

   A. Molecular biologists
   B. Microbiologists
   C. Freshwater biologists
   D. Social biologist

9. Purines and pyrimidines are in equal ration in DNA. It was indicated by_______________?

   A. F.Miescher
   B. Chargaff
   C. Watson & Crick
   D. Harshay & Chase

10. Bacteria protect themselves from viruses by fragmenting viral DNA with ____________?

    A. Ligase
    B. Endonuclease
    C. Exonuclease
    D. Gyrase

    Submitted by: Maria Aziz