Embryonic Stem Cells Flashcards
1
Q
Self-renewing
A
Capable of dividing and renewing themselves for long periods
2
Q
Unspecialized
A
Do not have any tissue specific structures that allow them to perform specialized functions
3
Q
How do stem cells give rise to specialized cells?
A
Differentiation causes cell’s DNA to acquire changes that restrict DNA expression in call and can be passed down through cell division
4
Q
Totipotent stem cell
A
Can develop into any cell in body including extra-embryonic membranes
5
Q
Chimera
A
Single organism composed of two or more genetically distinct cell lines that originated from different zygotes
6
Q
The endoderm gives rise to…
A
- Lining of respiratory tube
- Lining of digestive tube
- Liver
- Gall bladder
- Pancreas
7
Q
The mesoderm gives rise to…
A
- Skeleton
- Muscles
- Circulatory system
- Kidneys
8
Q
The ectoderm gives rise to…
A
- Nervous system
- Outer layer of skin
- Hair
- Nails
- Tooth enamel
9
Q
A
