NEET Biology question

Which of the following statements regarding cilia is not correct?

(A)Microtubules of cilia are composed of actin and myosin microfilamentsCorrect
(B)Cilia are hair-like cellular appendages
(C)The organised beating of cilia is controlled by fluxes of Ca²⁺ across the membrane
(D)Cilia contain an outer ring of nine doublet microtubules surrounding two central singlet microtubules (9+2 array)

Answer: (A)

Solution

The axonemal microtubules of cilia are composed of α- and β-tubulin dimers, not actin and myosin microfilaments (which are instead components of muscle contractile

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Question ID VK-111700