Mitosis (Required Practical)

Question 1

what are the stages of mitosis

Answer 1

1. the newly replicated chromosomes are joined together
2. they move to the center of the cell
3. chromosomes are pilled apart and move to opposite ends of the cell
4. the nucleus divides each new nucleus contains one full set of chromosomes

Question 2

what is a chromosome made out of and what is in it

Answer 2

It has DNA in it and carries many genes (a small section of DNA in a chromosome)

genes carry instructions for making proteins and determine characteristics of living things

Question 3

how many chromosomes are in a human body cell

Answer 3

23 pairs

Question 4

What is the process mitosis

Answer 4

the process of cell division and replicating chromosomes separating them into 2 new nuclei form

Question 5

what is cell division by mitosis and what does it do

Answer 5

it is to make new genetically identical cells and how multicellular organisms grow and will happen millions of times in the fertilized egg to grow into a human

mitosis also makes new cells for repair and replacement of cells

Question 6

how do you calculate percentage change

Answer 6

%change = change in value
——————- x100
original value