Number of microtubules in a flagellum including those sharing three protofilaments with each other is

Options

A. 11
B. 20
C. 22
D. 10

Answer

C

Explanation

The axis of a flagellum or cilium consists of microtubules arranged in a nine-fold radial symmetry and is called axoneme. It consists of 11 longitudinal fibrils 2 central and 9 peripheral.