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Byju's Answer
Standard XII
Biology
Structures That Assist in Bacterial Motility
The arrangeme...
Question

The arrangement of microtubules regarding the structure of cilia/flagella is

A
9+1
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B
9+0
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C
9+2
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D
11+0
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Solution

The correct option is C 9+2
Cilia/flagella are composed of 11 microtubules. Out of which, 9 are doublet peripheral microtubules and 2 are singlet central microtubules. Such an arrangement of microtubules is referred to as the 9+2 array.

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