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Centrioles

QuestionAnswer
Presence of centrioles: euk or prokaryotes? Both of them
Presence of centrioles? Animals or plants Animal cells
How many membranes centrioles have? Zero. Centrioles are non-membranous organelles
Shape of centrioles Rod shaped
How and where are the pairs of centrioles positioned They are positioned at right angles to each other near one pole of the nucleus
Diameter of centrioles 0.1 5–0.25 micro meter
Length of centrioles 0.3–2 micro metres
What is the region where the centrioles lie and where it is in the cell They live in a distinctly, staining region of the cytoplasm known as centrosphere
What is the centrosphere describe it The region where the centrioles lie. It is a distinctly staining region of cytoplasm
What is a centrosome Centrioles plus centrosphere
Structure of centrioles Nine triplets of microtubules circularly arranged around a central axis
What are the main functions of centrioles Give rise to microtubules/spindle fibres A.k.a. mitotic apparatus during cell division Basal bodies or kinetosome of Cilia and flagella
What is the function of mitotic apparatus during cell division It helps in the distribution of chromosomes between the daughter cells
Created by: Ashoo7
 

 



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