Random Flashcards
What are the name of the receptors that coordinate the animal circadium rhythmn?
Intrinsically photosensitive retinal ganglion cells
ipRGCs
Name of the transcription factor that controls clock protein expression
CREB
c-AMP response-element
binding protein
What type of receptor receive salt and sour tastes?
Ionotrophic
What type of receptor recieves sweet, bitter and umami tastes?
And how is the signal transduced?
Metabrotrophic (they are GCPRs)
Through phospholipase C -> IP3 signalling cascade
How is nitric oxide synthesised smooth muscles and what is it effect?
Effect: vasodilatation (simulates relaxation), increasing blood flow during exercise.
Synthesised by NO synthase, which is activated by calcium entry.