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TLS Online TPP Program

#Id: 6332

Genic sex determination  - Sex determination in which the sexual phenotype is specified by genes at one or more loci In mammals, a gene (SRY) located on the Y chromosome determines the male phenotype.



#Unit 8. Inheritance Biology #Types of interactions (Parasitism) #Part B Pointers
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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
TLS Online TPP Program

#Id: 5647

#Unit 7. System Physiology – Animal

The hyperpolarization of rod cells:
Reduces the release of glutamate
Generates a signal in the bipolar cells
Leads to AP in ganglion cells 
TLS Online TPP Program

#Id: 5648

#Unit 7. System Physiology – Animal

Retinal ganglion cells contain melanopsin.
TLS Online TPP Program

#Id: 5649

#Unit 7. System Physiology – Animal

Types of retinal ganglion cells:
large ganglion cells (magno, or M cells)
small ganglion cells (parvo, or P cells)