A) flagellin
B) pilin
C) tubulin
D) bacterin
Correct Answer: A
Solution :
The bacterial fiagellum is long, filamentous and protoplasmic appendage that arise in the cell envelope. In the bacterial flagella instead of 9 + 2 arrangement of tubulin there is simply a single filament of globular protein called flagellin. Pilin : It is a distinct protein present is bacteria as sex pili or F-pilin and takes part in conjugation. Tubulin : These are the protein subunits from which microtubules are assembled. Bacterin : Is a vaccine prepared from bacteria.
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