EasyBiology
+4 / -1
Arrangement of microtubules in cilia is:
A
9 + 2
B
9 + 4
C
9 + 0
D
9 + 9
Explanation
The arrangement of microtubules in cilia is referred to as the "9 + 2" structure. Nine doublet microtubules form a ring around the edge. Two central single microtubules are located in the center of the ring. This "9 + 2" arrangement is characteristic of motile cilia and flagella, providing structural support and enabling their movement.
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