Sexual selection is selection that promotes traits that will increase an organism’s mating success.

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#Id: 911

#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: 9102

#Unit 4. Cell Communication and Cell Signaling

NO diffuses locally through tissues and activates an

intracellular NO receptor with guanylyl cyclase

activity in nearby smooth muscle cells

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#Id: 1466

#Unit 4. Cell Communication and Cell Signaling

Nonclassical cadherins include proteins:

• Protocadherins found in the brain

• Desmocollins and desmogleins that form desmosomes

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#Id: 3239

#Unit 4. Cell Communication and Cell Signaling

miR-21 targets tumor-suppressor gene PTEN phosphatase

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#Id: 3852

#Unit 5. Developmental Biology

Adenylate cyclase B (ACB) is normally expressed in prestalk cells, but is upregulated in the prespore region of acg null structures.