Countercurrent exchange is a passive process; it depends

on movement of water and could not maintain the osmotic gradient along the pyramids if the process of counter-current multiplication in the loops of Henle were to cease.

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#Id: 1849

#Unit 3. Fundamental Processes

Fluorochrome-coupled monoclonal antibodies to the FLAG or myc epitopes can then be used to detect the recombinant protein in the cell.

Alexa- 488-labeled antibody -emit green light 

Alexa-568-labeled antibody- emit red light

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#Id: 3295

#Unit 6. System Physiology – Plant

Glycerol 3-phosphate shuttle
In the cytosol, dihydroxyacetone phosphate accepts two reducing equivalents from NADH in a reaction catalyzed by cytosolic glycerol 3-phosphate dehydrogenase

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#Id: 4764

#Unit 5. Developmental Biology

In the germ line, PAL-1 synthesis is prevented by the PUF-8 protein, which binds to the 3′ UTR of pal-1 mRNA and blocks its translation.

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#Id: 9841

#Unit 6. System Physiology – Plant

Three distinct classes of photoreceptors mediate the effects of UV-A/blue light (320–500 nm): the cryptochromes, phototropins and the ZEITLUPE (ZTL) family of proteins

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#Id: 9099

#Unit 4. Cell Communication and Cell Signaling