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

TLS Online TPP Program

#Id: 5646

#Unit 7. System Physiology – Animal

When light strikes the outer segment of Rod cells: 

Na + channels closed 

Hyperpolarizing receptor potential