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Microtubules are hollow, cylindrical, no...

Microtubules are hollow, cylindrical, non contractile membrane less, cytoskeletal structure of 250 Å diameter. These are composed of sulphur rich tubulin protein and arise from nucleating centres like kinetochore, basal body, massules of centrioles etc. This tubulin occurs in

A

11 longitudinal protofilaments

B

13 protofilaments

C

2 + 9 protofilaments

D

0+ 9 protofilaments

Text Solution

Verified by Experts

The correct Answer is:
B
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