Stem cells Flashcards
(6 cards)
1
Q
What is stem cells?
A
It is undifferentiated/ unspecialised cell
2
Q
What is totipotent stem cells?
A
It can differentiate into any type of cells
A fertilised egg, zygote
3
Q
What is Pluripotent stem cells?
A
These stem cells can differentiate into all types of tissue but not the whole organism
Early embryos
4
Q
What is multipotent stem cells?
A
They can only form a range of cells within a cerain types of tissue
E.g. bone marrow
5
Q
What are some uses of stem cells?
A
- Heart disease
- Type 1 diabetes
- Parkinson’s disease
- Alzheimer’s disease
- spinal injuries
6
Q
Why do some people disagree the use of totipotent stem cells?
A
Totipotent stem cells are taken from embryo, fertilised cells
this means the embryo have to be destroy
This is against ethics believe of ‘the beginning of life starts at fertilisation’