Cell division Flashcards
1
Q
why does dna duplicate
A
to make a new cell
2
Q
What is the cycle of a cell made up of
A
cell growth and organelle replication
DNA duplication
Mitosis and Cytokinesis
3
Q
what happens to chromosomes during duplication
A
they contain double the amount of normal DNA
4
Q
what happens during MITOSIS
A
duplicated DNA gets seperated and pulled to opposite ends of the cell
5
Q
what happens during CYTOKINESIS
A
cell membrane and cytoplasm divides to form new identical cells
6
Q
why do organisms need new cells (3)
A
- growth
- repair
- replace parts of itself
7
Q
what is prokaryotes duplication called and WHY
A
Binary fission because they do not have nucleus to split etc
