Each statement is right about spirochete EXCEPT ___.
A. It is Gram-negative bacteria.
B. It is thin, tightly coiled, helically shaped.
C. It can corkscrew and burrow through their hosts’ tissues.
D. Its axial fimbria can rotate.
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Which one does not belong to the group of spiral bacterium?
A. Vibrio cholera;
B. Helicobacter pylori
C. Psuedomonads ;
D. Treponema palidum;
Each statement is right about T. pallidum EXCEPT ___.
A. It is visualized by silver stain method.
B. It can grow into colony in bloody agar plate.
C. It is thin, tightly coiled, helically shaped.
D. It is Gram-negative bacteria.
The disease caused by T. pallidum is _____.
A. enteritis;
B. syphilis;
C. urethritis;
D. gonorrhea
Which is not the virulent factors of T.pallidum ?
A. flagellum;
B. Adhesins;
C. Hyaluronidase;
D. endotoxin;
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