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TLS Online TPP Program

#Id: 5304

Atrial systole 
ventricle is relaxed, & because the AV valve is open, the ventricle is filling with blood from the atrium, even prior to atrial systole.

#Unit 7. System Physiology – Animal #Cardiac cycle, heart as a pump #Part B Pointers
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TLS Online TPP Program

#Id: 5640

#Unit 7. System Physiology – Animal

The photosensitive pigment in the rods is called rhodopsin (visual purple).
TLS Online TPP Program

#Id: 5641

#Unit 7. System Physiology – Animal

Rhodopsin is comprised of: 
Retinal (an aldehyde of vitamin A)
Opsin protein (GPCR)
TLS Online TPP Program

#Id: 5642

#Unit 7. System Physiology – Animal

Retinal is parallel to the surface of the membrane and is attached to a lysine residue at position 296 in the seventh TM domain.
TLS Online TPP Program

#Id: 5643

#Unit 7. System Physiology – Animal
TLS Online TPP Program

#Id: 5644

#Unit 7. System Physiology – Animal
TLS Online TPP Program

#Id: 5645

#Unit 7. System Physiology – Animal

Neurotransmitter release from the rods of retina- Glutamate