Stem cells Flashcards
1
Q
What is a stem cell?
A
They are:
undifferentiated
Pluripotent (can become any type of specialised cell)
Can express all genes
Can divide to produce more stem cells and may differentiate
2
Q
Where are stem cells in animals?
A
Embryo’s
Umbilical cord blood
Adult stem cells in developed tissue
3
Q
Where are stem cells in plants?
A
- Roots and shoots types, cambium of vascular bundles
- Thin walls do they can divide
- No chloroplasts
- No large vacuole
- Can divide by mitosis and differentiate
4
Q
How is it used in burn patients?
A
A part of the skin cells are taken and grown into a larger clump of cells that can be