Which one of the following structure mediates first step of infection?
A. capsule
B. flagellum
C. fimbria
D. endospore
查看答案
Which one is right about Endospores ?
A. They are reproductive structures of some bacteria;
B. It can be induced in all species of bacteria;
C. One endospore can divide into two endospores in good condition;
D. They are dormant, resistant cells.
Penicillin can specifically destroy peptidoglycan of Gram- bacteria.
A. 对
B. 错
Gram+ bacteria cell wall includes outer membrane;
A. 对
B. 错
Gram- bacteria contain lipid A in the cell wall.
A. 对
B. 错
微信支付 
支付宝支付