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3 Cards in this Set
- Front
- Back
Four reasons why two cells might have a differential response to signalling molecule |
Exposure to different levels of the molecule Differential expression of receptor for the molecule Different expression of intercellular molecules needed to transduce the signal Differential exposure to an inhibitory molecule |
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How does p21 inhibit the cell cycle |
It binds to and thereby inactivated cyclin-Cdk complexes |
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Definition of a stem cell |
Undifferentiated cell that divides asymmetrically to give rise to two different progeny |