gustation steps

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step 4

cell depolarizes

step 3 sweet, bitter umami

chemical binds with g protein (gustducin). gustducin binds with intercellular protein which releases CALCIUM into cell. sodium channels open

step 3 salt and sour

chemically gated ion channes open and allow sodium in

step 2

chemicals bind with receptors

step 1

disolved chemicals contact taste hair of gustatory cells

step 6

info processes in gustatory portions of frontal lobe

step 5

message relayed to facial nerve or glossopharyngeal nerve


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