DIC microscopy easily defines the outlines of large organelles, such as the nucleus and vacuole.

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#Id: 1477

#Unit 4. Cell Communication and Cell Signaling

Overexpression of anti-apoptotic genes or loss of proapoptotic genes promotes tumorigenesis. The pro-apoptotic gene p53 is frequently mutated in cancers.

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#Id: 10513

#Unit 4. Cell Communication and Cell Signaling

Four freed CED-4 dimers combine to form a CED-4 octamer, which binds two molecules of the CED-3 zymogen (an enzymatically inactive precursor) triggers the formation of the active CED-3 protease

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#Id: 9179

#Unit 11. Evolution and Behavior

Fitness- Average number of offspring produced by a genotype and divide it by the mean number of offspring produced by the most prolific genotype

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#Id: 5979

#Unit 10. Ecological Principles

Decomposition Decomposition is the physical and chemical breakdown of dead plant and animal biomass. Decomposition is increased by High Temperatures, Soil Moisture, and Soil Nutrients.

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#Id: 6861

#Unit 3. Fundamental Processes

In Drosophila, an example of position effect variegation in the fly eye.