Bergmann’s rule: populations in colder climates tend to have greater body mass than those in warmer climates. This pattern is so common that it has a name 

TLS Online TPP Program

#Id: 1380

#Unit 4. Cell Communication and Cell Signaling

The critical concentration (Cc) is the concentration of free G-actin at which the filaments are formed.

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#Id: 4597

#Unit 13. Methods in Biology

The more metabolically active cells that are present in the culture, the more formazan will be generated, and so this assay provides a readout of the number of live cells as a function of time.

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#Id: 1437

#Unit 4. Cell Communication and Cell Signaling

Adherens junctions  functions as a tension cable that can internally brace the cell and thereby control its shape.

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#Id: 1975

#Unit 10. Ecological Principles

If this ratio R is equal to 1, then the population is randomly dispersed.

If R is significantly greater than 1, the population is evenly dispersed

If R is significantly less than 1, the population is clumped

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#Id: 4485

#Unit 13. Methods in Biology

P wave represents depolarization of the atria.