A. Region I
B. Region II
C. Region III
D. Boivin antigen
Related Mcqs:
- 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 - Cell wall deficient bacteria are_______________?
A. Escherichia Coli
B. Staphylococci
C. Spirochetes
D. Mycoplasma - The cell wall deficient bacteria_______________?
A. Rickettsiae
B. Mycoplasma
C. Chlamydiae
D. Ehrlichiae - 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 - The antibacterial substance present in tears which acts by splitting cell wall components is____________?
A. Penicillin
B. Lysozyme
C. Betalysine
D. Lactoperoxidase - An enzyme present in saliva which causes cell wall lysis____________?
A. Lysozhyme
B. Peroxidase
C. Lactoferin
D. Hyaluronidase - Cell wall synthesis is inhibited by all except____________?
A. Lincomycin
B. Penicillin
C. Cephalexin
D. Ampicillin - All of the following antibacterial agents acts by inhibiting cell wall systhesis except________________?
A. Carbapenems
B. Monobactams
C. Cephamycins
D. Nitrofurantoins - All cells do not divide at the same rate. Events in which phase of the cell cycle determine when a cell is going to replicate ?
A. M phase
B. G1 phase
C. S phase
D. G2 phase - The component that sensitizes bacteria and virus to UV irradiation_______________?
A. Lipids
B. Carbohydrates
C. Inorganic salts
D. Nucleic acids