A protoplast is best characterized as a bacterial cell______________?

Related Mcqs:

1. Which of the following structures, found external to the bacterial cell wall, are involved in bacterial attachment to cell surfaces?

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

2. Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________?

   A. wall
   B. nucleus
   C. membrane
   D. Capsule

3. The function of plasma cell______________?

   A. CMI
   B. Phagocytosis
   C. Opsonization
   D. Antibody formation

4. The deficiency of thiamine can be identified by measuring the red cell______________?

   A. Transketaolase
   B. Transaldolase
   C. Alpha ketoglutarate dehydrogenase
   D. Pyruvate dehydrogenase

5. True about myoepithelial cell______________?

   A. Also known as basket cell
   B. Structure is similar to smooth muscle and contains actin & myosin
   C. The cell expel secretions by contraction
   D. All of the above

6. The vasoactive amine that causes vasodilatation released during inflammation is found in which of the cell______________?

   A. Plasma cells
   B. Lymphocytes
   C. Monocytes
   D. Mast cells

7. For uniform staining reaction, morphology and biochemical activity it is advisable to study bacterial cultures during the_____________?

   A. Lag phase
   B. Death phase
   C. Stationary phase
   D. Logarithmic phase

8. The structure in involved in bacterial attachment to cell surface is_______________?

   A. Capsule
   B. Fimbria
   C. Flagella
   D. None of the above

9. Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________?

   A. Cocci
   B. Spirochetes
   C. Bacteriophages
   D. Filamentous rods

10. The bacterial cell wall has all of the following properties except______________?

    A. It consists of a mixed polymer called peptidoglycon
    B. It is the structure principally responsible for the reaction of gram staining
    C. It is a unique flexible plastic structure
    D. It contains D-isomers of amino acids