Low intracellular Ca2+ concentration is sensed by a class of Ca2+ -binding proteins known as guanylate cyclase–activating proteins.

TLS Online TPP Program

#Id: 9481

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 3134

#Unit 3. Fundamental Processes

The ability of a plasmid relying upon oriC to replicate in dam- E. coli depends on its state  of methylation.

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#Id: 5571

#Unit 7. System Physiology – Animal

In juxtamedullary nephrons with longer loops and thin ascending limbs, the osmotic gradient is spread over a greater distance and the osmolality at the tip of the loop is greater.

TLS Online TPP Program

#Id: 2772

#Unit 13. Methods in Biology

DMS footprinting follows a similar principle, except that we use the DNA methylating agent DMS, instead of DNase, to attack the DNA–protein complex. 

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#Id: 7067

#Unit 3. Fundamental Processes