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Physiology Block 5- Gastrointestinal Physiology > Intro OV > Flashcards

Intro OV Flashcards

1
Q

Salt taste bud

A

-na+ enters through ENAc channel => membrane depolarization

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2
Q

Sour taste bad

A

(acidic) H+
antagonizes K+ efflux channel
=> membrane depolarization

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3
Q

sweet taste bud

A

glucose binds to protein => GPCR => PKA => ((p) K+ efflux channel)) => MEMBRANE DEPOLARIZATION

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4
Q

Bitter taste bud

A

gustducin => decrease cAMP

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5
Q

umami taste bud

A

ca2+, Na+ glutamate; organized into independed coded pathways into CNS

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Physiology Block 5- Gastrointestinal Physiology (11 decks)

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