ZnA and ZnB on RAG1 are regions of the proteins that form zinc fingers, elongated protein domains stabilized by the coordination of a Zn ion.

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#Unit 10. Ecological Principles

Adaptation to water viscosity

Some small aquatic organisms exploit the high viscosity of water by evolving large appendages

Streamlined shapes that reduce the drag caused by the high viscosity of water

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#Unit 4. Cell Communication and Cell Signaling

Two membrane proteins, 

Smoothened (Smo) 

Patched (Ptc)

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#Unit 4. Cell Communication and Cell Signaling

Ligand binding and dissociation of the G protein subunits, the membrane-tethered Gβγ subunit binds the Ste5.

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#Unit 3. Fundamental Processes

The genes encoding the translesion polymerases are expressed as part of a pathway known as the SOS response. 

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#Unit 3. Fundamental Processes

Su(var) mutations lie in genes whose products are needed for the formation of heterochromatin such as HDAC, HMT.