Each spherical follicle is surrounded by a single layer of polarized epithelial cells and filled with pink-staining proteinaceous material called colloid.

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#Unit 13. Methods in Biology

This method has been used to generate models of ribosomes, the muscle calcium pump, and 3-D structure of a poliovirus capsid.

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#Unit 7. System Physiology – Animal

In the thick ascending loop,  Luminal membrane contains a three-ion cotransporter  known as Na+-K+-2Cl- cotransporter

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#Unit 7. System Physiology – Animal

In late proximal convoluted tubule

High tubular fluid Cl− concentration is the driving

force for reabsorption

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#Unit 3. Fundamental Processes

Nicking is followed by the action of a specific helicase (UvrD) and one of three exonucleases.

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#Unit 4. Cell Communication and Cell Signaling

Mice homozygous for a null allele of dhh exhibit defective spermatogenesis