B2 Struggles Flashcards
1
Q
Why is cell division less in adults? (2)
A
- fully grown
- cell death overtakes this
2
Q
Mitosis details (3)
A
- division of nucleus to form 2 identical nuclei
- happens in normal body cells
- genetically identical
3
Q
Stages of cell cycle (3)
A
- replication of DNA and forms copies of chromosomes
- mitosis: nucleus divides to form 2
- cell division occurs
4
Q
What does the cell cycle do for older cells? (1)
A
- replace/repair them
5
Q
What stage of the cell cycle is variable? (1)
A
- 1st stage
6
Q
Ways stem cells can benefit the human body (2)
A
- grow organs
- restore eyesight
7
Q
Ways stem cell can harm the human body (2)
A
- may cause cancer
- trigger immune response to reject it
