Centrosomes

Find incorrect statement with regard to centrosome and centrioles :- (a) Centrosomes are surrounded by amorphous pericentriolar material (b) In centrosome, bothe centrioles lie parallel to each other in which each has an organisation like the cartwheel ( c ) Centrioles are made up of nine unevenly spaced peripheral fibrils of tubulin (d) Hub is the central proteinaceous part of centriole ( e )Proteinaceous radial spokes connect hub to peripheral triplets

Describe the structure of the following with the help of labelled diagrams. (i) Nucleus " " (ii) Centrosome

Centrosome is

Centrosome occurs in

Centrosome is absent in

Centrosome was discovered by

Centrosome And Centrioles

Centrosome is not present in the cell of