Question
Tue April 13, 2010 By: Priyank Chokshi

please answer my some questions :

Expert Reply
Fri April 16, 2010

2) A microtubule is a hollow cylinder about 24 nm in diameter.Microtubules are polymers of α- and β-tubulin dimers. The tubulin dimers join end to end in protofilaments. The protofilaments then bundle into hollow cylindrical filaments. Typically, the protofilaments arrange themselves in an imperfect helix.

 

Kindly post each query separately.

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