25 out of 97
True about flagella, except-(DNB Dec 2010)
|B||Not visible by simple staining procedures|
|C||In Spirochaetes, flagellate do not protrude into extracellular environment, hence termed endo flagella|
|D||Longer than pili|
|E||None of the above|
Ans. E None of the above
a. Flagella can be observed only by electron microscopy or stained by silver impregnation or Leifson and Ryu stain. They can be polar or peritrichous.
b. They are 3-20 micron long and are much longer than pili.