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
Related Mcqs:
- 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 - The name Bacteriophage was coined by____________?
A. Charles Chamberland
B. Ivanowski
C. Twort
D. D Herelle - 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 - Glycolipids and glycoproteins have structural role in the ______________ matrix of animal and bacterial cell?
A. Extracellular
B. Intracellular
C. Both of these
D. Glucose - Which structure gives ability to the bacterial cell to form biofilm?
A. Slime
B. Mesosomes
C. Capsule
D. FlagellaSubmitted by: Muhammad Hassan Qureshi
- The cell wall of oomycetes is chiefly composed of___________?
A. Chitin
B. Cellulose
C. Lignin
D. Proteins - Cyanobacteria have ________ cell wall?
A. Gram +ve.
B. Gram – ve.
C. Acid fast
D. Cellulose rich - Cell wall is the non living , outermost boundary of__________cell?
A. plant
B. bacterial
C. fungal
D. all the aboveSubmitted by: Muhammad Nawaz
- The cell wall is usually composed of two overlapping halves called epitheca and hypotheca in__________?
A. Diatoms
B. Desmids
C. Pyrrophyta
D. Chlorophyta - Cell wall is extremely well preserved in fossil specimens in__________?
A. Diatoms
B. Dinoflagellates
C. Slime moulds
D. None of these
