question_answer

Which of the following statements regarding cilia is incorrect?

A) Cilia contain an outer of nine doublet microtubules surrounding two single microtubules.

B) The organised beating of cilia is controlled by fluxes \[C{{a}^{2+}}\] across the membrane.

C) Cilia are hair-like cellular appendages.

D) Microtubules of cilia are composed of tubulin.