The oxaloacetate is converted to PEP by phosphoenolpyruvate carboxykinase. This Mg2+ dependent reaction requires GTP as the phosphoryl group donor.

TLS Online TPP Program

#Id: 6528

#Unit 7. System Physiology – Animal

Insulin, 

synthesized and secreted 

by the β cells

TLS Online TPP Program

#Id: 9804

#Unit 6. System Physiology – Plant

PAS-related domain (PRD) repeats mediate phytochrome dimerization. 

The PRD domain targets the Pfr form of phyB to the nucleus, although it lacks a canonical nuclear localization signal (NLS).

TLS Online TPP Program

#Id: 6560

#Unit 7. System Physiology – Animal

In both A and L cells, residual glicentin-related polypeptide (GRPP) is left

TLS Online TPP Program

#Id: 5814

#Unit 7. System Physiology – Animal

The synthesis and secretion of steroid hormones by the adrenal cortex depend on the stimulation of cholesterol desmolase by ACTH

TLS Online TPP Program

#Id: 9661

#Unit 4. Cell Communication and Cell Signaling

Activated RTKs and cytokine receptors promote PLCγ activity in two ways: 

By localizing PLCγ to the membrane

By phosphorylating PLCγ