Mitosis

Question 1

How many chromosomes do we have?

Answer 1

23 pairs

Question 2

Where are chromosomes located?

Answer 2

In the nucleus.

Question 3

The cell cycle

Answer 3

The cell grows and increases the amount of subcellular structures.
Interphase- the DNA replicates
Prophase- the chromosomes pair up
Metaphase- chromosomes line up at the equator
Anaphase- Chromosomes are pull to opposite ends
Telophase- Cell pinches in the middle
The cytoplasm and cell membranes divide creating two genetically identical cells.

Question 4

Why do we need mitosis?

Answer 4

To develop as foetuses
To grow through childhood into adulthood
To repair damaged skin