The niche employs a variety of mechanisms of cell-to-cell communication to regulate the quiescent, proliferative, and differentiative states of the resident stem cell.

TLS Online TPP Program

#Id: 6754

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 8442

#Unit 10. Ecological Principles

The proportion of occupied patches will stabilize over time to =1− (x/m)

x - Extinction rate 

m - Rate of movement between patches

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#Id: 2491

#Unit 13. Methods in Biology

SDS–PAGE are firstly boiled for 5 min in sample buffer containing - mercaptoethanol or dithiothreitol ( DTT) and SDS. Mercaptoethanol or DTT reduce any disulfide bridges

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#Id: 6648

#Unit 8. Inheritance Biology

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#Id: 3200

#Unit 3. Fundamental Processes

Base excision repair (BER) systems directly remove the damaged base and replace it in DNA.