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NEETBotanyCell - The Unit of Life

Which of the following best describes the arrangement of microtubules in the cilia/flagella as shown in the diagrammatic representation?

Options

  1. A9 + 2 arrangement
  2. B9 + 0 arrangement
  3. C8 + 2 arrangement
  4. D6 + 6 arrangement

Correct answer

A. 9 + 2 arrangement

Step-by-step solution

The axoneme usually has nine doublets of radially arranged peripheral microtubules, and a pair of centrally located microtubules. Such an arrangement of axonemal microtubules is referred to as the 9+2 array.

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