Gαi activate α2-Adrenergic receptor

TLS Online TPP Program

#Id: 5307

#Unit 7. System Physiology – Animal

Isovolumetric Ventricular Contraction

Initiates contraction of the ventricles

Intraventricular pressure rises sharply as the myocardium presses on the blood in the ventricle

TLS Online TPP Program

#Id: 5702

#Unit 7. System Physiology – Animal

Thyrotropin-releasing hormone (TRH) 

Tripeptide

Stimulates secretion of TSH by thyrotropes

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#Id: 3255

#Unit 6. System Physiology – Plant

Complex I is therefore a proton pump

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#Id: 842

#Unit 2. Cellular Organization

Fusicoccin stimulates both rapid proton extrusion and transient growth in stem and HYPERPOLARIZATION OF MEMBRANE

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#Id: 9967

#Unit 4. Cell Communication and Cell Signaling

Homologs

β-catenin in vertebrates = Armadillo in Drosophila