Stem Cells Flashcards
1
Q
What is a stem cell
A
An unspecialised cell which can become different types of cell or self renew.
2
Q
Embryonic stem cell
A
cell taken from the early embryo
3
Q
Tissue stem cell
A
A stem cell found in adults. Eg. Bone marrow cells
4
Q
Multicellular
A
An organism made from many cells
5
Q
Tissue
A
A group of similar cells
6
Q
Organ
A
A group of tissues working together to carry out a function
7
Q
Organ system
A
A group of organs that work closely together
8
Q
Why do cells divide
A
Growth & replacement of damaged or dead tissues
9
Q
What two things can stem cells do
A
Self renew ( to make more stem cells)
Become specialised ( to replace or renew existing specialised cells)
10
Q
Process of the hierarchy
A
Cell - tissue - organ - system - organism
