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Question

The pattern of microtubule arrangement of cilia and flagella is

A
9 + 0
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B
9 + 1
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C
9 + 2
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D
9 + 3
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Solution

The correct option is C 9 + 2
The cilia and flagella are locomotory structures of certain organisms like the Paramoecium. They are anatomically made up of microtubules which are minute tube like structures, also found as part of the cytoskeleton. Their core, called the axoneme, possesses a number of microtubules running parallel to the long axis.
The axoneme usually has nine pairs of radially arranged peripheral microtubules, and a pair of centrally located microtubules.


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