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Centrioles

Centrioles

Author: Nathan Lampson
Description:
This lesson will discuss the structure and function of the centrioles.
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Tutorial

 

Centrioles are a cellular organelle responsible for aiding cell structure and cell division.

 

Centrioles help to organize microtubules that support the structure of a cell and hold organelles in their place.  The internal arrangement of the cell is determined by centrioles.

 

Centrioles hold spindle fibers in place during mitosis.  Spindle fibers move chromosomes to poles of the cell during cell division. Centrioles form a sort of zip-line that moves chromosomes in order to ensure that DNA is equally distributed to dividing cells.

 

This image depicts a side view of a centriole.  The structure is composed of microtubule triplets arranged in a circle.