write the role of centrosomes
Answers
Answer:
A centrosome comprises two microtubule rings known as centrioles. Its main function is to organize the microtubules and provide a structure to the cell. It also pulls the chromatids apart during cell division.
Answer:
When a cell divides into two identical new cells, all the cell features have to be duplicated.
♠The centrioles start duplicating first. They are normally close together and joined by a few fibers, but at the beginning of cell division, they move apart, remaining within the centrosome.
♠ Each original tubule grows a new tubule and the new tubules arrange themselves into a new centriole situated at right angles to the original. The centrosome now has four centrioles and is ready to divide.
♠As two centrosomes form, each with two centrioles, the new centrosomes start moving apart, to opposite ends of the nucleus.
♠The spindle of microtubules along which the duplicated chromosomes will travel form between the two new centrosomes, with centrosome proteins arranging themselves into microtubules with the help of the centrioles.
♠When the chromosomes have traveled along the spindle tubules to opposite ends of the nucleus, the cell can split and cell division will be complete.
Explanation:
♣a centrosome is an amorphous structure containing two centrioles while a centriole is an organelle with an intricate microstructure. In a comparison of centrioles vs centrosome, the former have a complex physical structure that fulfills a specific need while the latter has a simple physical structure but carries out a variety of complex functions.♣ struc