Cytoskeleton


 
 
Concept Explanation
 

Cytoskeleton

Cytoskeleton : The cytoskeleton is formed by microtubules and microfilaments.A.    Microtubules are hollow tubules made up of protein units called tubulin. They from Centrioles, flagella and cilia.B.    Microfilaments are thinner filaments. They are solid rods, built from a protein called actin.Function of Cytoskeleton: The cytoskeleton gives structural support to the cell, and helps in cell motility (cell movement, e.g., amoeboid movement).

 

Sample Questions
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Question : 1

How can we identify microfilament ?

Right Option : D
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Question : 2

Which of the following are correct :

(a)  Microfilaments  are hollow tubules made up of protein units called tubulin.

(b)  Microfilaments are thinner filaments built from a protein called actin.

Right Option : B
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Explanation
Question : 3

What are the functions of cytoskeleton ?

Right Option : B
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Explanation
 
 
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