Stem Cells 4.1.2.3 Flashcards
1
Q
What is a stem cell?
A
A stem cell is an undifferentiated cell of an organism and become another type of cell by a process called differentiation
2
Q
Where is the stem cell of an adult animal found?
A
Bone marrow
3
Q
What are some uses of stem cells?
A
To replace cells in ill people:
- Make insulin production cells for diabetes
- Make nerve cells for people paralysed by spinal cord injuries
4
Q
What is therapeutic cloning?
A
Producing stem cells with the same genes as the patient so they will not be rejected by immune system
5
Q
What are some problems with using stem cells?
A
- Cell grown in lab can be contaminated
- Can mutate
- Ethical and religious views
6
Q
Where is the stem cell of a plant found?
A
Meristems
7
Q
What are some uses of plant stem cells?
A
- to make copies of plant quickly and cheaply
- grow more rare species-protect from extinction
- crops with desired characteristics