Question

Give chemical composition and funtion of centriole

Answer 1

Centrosomes are structures found inside of cells. They are made from two centrioles. ... The main purpose of a centrosome is to organize microtubules and provide structure for the cell, as well as work to pull chromatids apart during cell division.

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Answer 2

It is not a universal cell constituent as it is lacking in some plant cells. They were discovered by Van Benden (1880), in cells of cer­tain parasites of cephalopods, indicating it as origin of aster. Later on, T. Boveri in 1888 described it in detail. The substance of centrosome is called kinoplasm which consists of two parts —

(1) Smaller bodies or centrioles.

(2) Surrounding mass or centrosphere.

Centrioles:

Centrioles are cytoplasmic bodies found in most animal cells. These are located at one pole of cell just outside the nuclear envelope. Plant cells lack centrioles, but the spindle is formed without their aid.