What can a stem cell do that a differentiated cell can't?
Make new copies of itself
Perform a specialised function
Express the protein characteristic for a specific type of cell
What is the difference between embryonic stem cells and tissue stem cells?
There is no difference
Embryonic stem cells can give rise to all forms of cell where tissue stem cells are limited
Embryonic stem cells can be used with less ethical concerns than tissue stem cells
What type of cells are described as 'multipotent'?
Embryonic stem cells
Tissue stem cells
Differentiated cells
What is a disadvantage of adult stem cells in medicine compared to embryonic stem cells?
They cannot differentiate into all cell types
They are expensive
They are only available when an organism is very young
The disease cancer is caused by:
Uncontrolled mitosis
Uncontrolled meiosis
Bacterial infection