题目内容

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,

查看答案
更多问题

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;

答案查题题库