Which enzyme present in the obligate anaerobe can catablize biochemical reaction inthe cells without oxygen?
A. superoxide dismutase ,
B. Catalase
C. peroxidase
D. RNA polymerase,
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Which two byproducts of bacterial metabolism in presence of oxygencould kill obligate anaerobe ?
A. H2O2 + O2-
B. CO2+O2
CO2+H2
D. H2+O2
Which one of the following groups do the medical pathogensbelong to ?
A. Psychrophiles;
B. Mesophiles;
C. Thermophiles;
D. Hyperthermophiles.
From which bacteria of the following groups was the DNA polymerase purified to be applied in PCR?
A. Psychrophiles
B. Mesophiles;
C. Thermophiles;
D. Hyperthermophiles;
Which group of molecule can not diffuse across the membrane of bacteria?
A. Oxygen;
B. glucose;
C. carbon dioxide,
D. Alcohol;