THE MAGNITUDE OF GENETIC DRIFT

n  = population size

pq=allelic frequency

sp2=variance in allelic frequency among the populations

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#Unit 7. System Physiology – Animal

The proximal tubule is the site of glomerulotubular balance, a mechanism for coupling reabsorption to the GFR.

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#Unit 4. Cell Communication and Cell Signaling

Three mechanisms for LOH of tumor-suppressor genes:

Inactivating mutation or deletion

Chromosome missegregation

Mitotic recombination

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#Unit 2. Cellular Organization

Dynamic instability 

Rapid interconversion between a growing and shrinking state, at a uniform free tubulin concentration

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#Unit 2. Cellular Organization

ATP-powered pumps use the energy released by hydrolysis of the terminal phosphoanhydride bond of ATP to transport ions.

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#Unit 7. System Physiology – Animal

Oxytocin and vasopressin are typical neural hormones, that is, hormones secreted into the circulation by nerve cells