Bio Consolidation !!!!

Question 1

S F of Centrioles

Answer 1

A pair of hollow cylinders made up of 9 triplets of microtubules (hollow tubes made of protein tubulin) each;
The two rod-like cylinders are positioned at right angles to each other;
Found in centrosome which is microtubule organising centre (MTOC);

4. During mitosis/ meiosis/ nuclear division, centrioles replicate and move to opposite poles of cells;
5. To determine polarity of the cell;
6. They help to organize microtubules to form spindle fibre;