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Identify if each of the following statements about microtubules (MTs) is True or False. (a) True...

Identify if each of the following statements about microtubules (MTs) is True or False.
(a) True False The ends of the MTs in cilia are anchored into a basal body.
(b) True False A basal body has a "9 + 2" arrangement.

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Answer #1

Microtubules are tubulin polymers that serve as cytoskeletal backbones responsible for the structure and motility of the cells.

a) Basal body is a group of proteins that are present along with the centriole and form a complex. This complex serves as an attachment membrane for the microtubules. The cilia are small appendages of eukaryotic cells that provide them motility and adherence. The microtubules that are present in the cilia are attached to the basal body at one end and are free at the other end.

Therefore, the statement is True.

b) 9+2 arrangement is the specific arrangement of the microtubules present in the cilia. 9 pairs of microtubules remain attached to each other through dynein proteins, while 2 microtubules are present at the center and these are not attached to each other.

Therefore, the statement is False.

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