Cell division by Mitosis Flashcards
1
Q
How many chromosomes does a human body cell contain?
A
46 - 23 pairs.
2
Q
What process allows cells to grow and divide?
A
The Cell cycle.
3
Q
What is the first stage of the cell cycle?
A
The DNA replicates to form two copies of each chromosome.
The cell also grows and copies it’s internal structures such as mitochondria and ribosomes.
4
Q
What is the second stage of the cell cycle?
A
Mitosis takes places, one set of chromosomes are pulled to each end of the cell, causing the nucleus to divide.
5
Q
What is the third stage of the cell cycle?
A
The cytoplasm and cell membrane divide to form two identical cells.
6
Q
What are the functions of mitosis?
A
Essential for growth and repair of multicellular organisms.
