Mitosis

Question 1

Spindle fibres

1. What happens if there are no spindle fibres

Answer 1

1. Chromosomes will not split at the centromere into daughter chromosomes, daughter chromosomes will not move to opposite poles

Question 2

Difference between centrioles and centromere

Answer 2

Centriole: organelle responsible for creating spindle fibres
Centromere: is where 2 chromatids of a chromosome are held together

Question 3

Why do chromatin wind up during cell division? What is this called?

Answer 3

DNA. DNA needs to be coiled up as it is very long, otherwise it will get tangled

Question 4

If people are given Vincristine, why will they have a reduced number of red blood cells?

Answer 4

Red blood cells are made in red bone marrow from actively dividing cells. When the cells from which red blood cells are made, are hindered. It will result in less red blood cells being produced