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BIO304H5 (88)
B Stewart (32)
Lecture

#20 Taste and Smell

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Department
Biology
Course
BIO304H5
Professor
B Stewart
Semester
Fall

Description
Taste and Smellboth chemosensorypresynaptic cell the electric transmissionType 1 1 K is activaley pumped into to clear K Type 2 ignore whats on slide 1 Detect sweet umami and bitter 2 Activaete for calium to come through the cell Ca causes the release fo ATP from type 2 cells 3 ATP comes out of Panx1 and activates P2X and can also go and activate P2Y cells on the Type 3 cell doesnt have to trvel far all these cells are really close to each other ATP acts as a signaling molecule Type 3 1 5HT is serotonin 2 ATP activates P2Y w
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