chapter 8 Flashcards by Aaliyah Boykin

Q

olfactory transduction

A

odorant binds to GPCR
G-olf alpha activates adenyly cyclase
increase cAMP
open cAMP-gated cation channel
influx of intercellular Na+ and Ca2+
open Ca2+ activated Cl- channel
effluent of chloride ions
membrane depolarization
receptor potential

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Q

saltiness

A

channel blocked by amiloride

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Q

acidity

A

involves proton channel

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Q

bitterness

A

T2R receptors

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Q

sweetness

A

T1R2 and T1R3 receptors

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Q

umami

A

T1R1 and T1R3 receptors

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Q

sweetness sensitivity is on:

A

tip of the tongue

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Q

bitterness sensitivity is on:

A

back of the tongue

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Q

saltiness and sourness sensitivity are on:

A

sides of the tongue

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