D. In migra ting cells, microtubules are found at high concentrations on the lea

Question

D. In migra ting cells, microtubules are found at high concentrations on the leading edge. Microtubules are not dynamic filaments. 18. Which of the following is NOT involved in the functioning of a eukaryotic flagellum? A. Dynein B ATP icrotubules Basal body Which pair of words does NOT correctly complete the following sentence: Prokaryotic flagella , while eukaryotic flagella . use a protom gradient; use ATP B. contain flagellin; contain tubulin C. exhibit rotational motion; exhibit back-and-forth motion D. are inside the cell; are outside the cell E. all of the above are correct 6

Explanation / Answer

18. Which of the following is not involved in the functioning of a eukaryotic flagellum ?

The answer will be option (C) Actin

Explanation:-

- flagella contains outer 9 doublet microtubule, extends a pair of dyneim arms to the adjacent microtubule.

-it produces movement by ATP hydrolysis.

- it has also a basal body.

- but it doesn't contain actin filaments.

19. The correct option would be option (D) ar inside the cell , are outside the cell

Explanation:-

- both Eukaryotic and prokaryotic flagella are outside the cell

- all other options are correct about Eukaryotic and prokaryotic flagella.

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