. A mouse has a conditional knockout of TrpM5 in taste cells (no expression of TrpM5...

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Medical Sciences

. A mouse has a conditional knockout of TrpM5 in taste cells (noexpression of TrpM5 protein in all the taste cells). This mouse islikely to lose taste response to the following tastants EXCEPT:
A.
Sweet
B.
Bitter
C.
Umami
D.
Sour
Which of the following statements about bipolar receptive fieldsis FALSE?
A.
In the dark, horizontal cells release GABA
B.
A light shining on the photoreceptors directly connected to anON bipolar cell causes bipolar cell depolarization
C.
A light shining on the photoreceptors connected to thehorizontal cell cause an OFF bipolar cell to depolarize
D.
A light shining on the photoreceptors connected to a horizontalcell cause an ON bipolar cell to depolarize

Answer & Explanation Solved by verified expert

3.7 Ratings (379 Votes)

1 AnswerD sourexplannationTRMP5 is a cation channel which help in transduction ofbitter sweet and umamiall other options are wrong because these taste sensation aretransducted by TRMP5signalling of these taste See Answer

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	A.	In the dark, horizontal cells release GABA
	B.	A light shining on the photoreceptors directly connected to anON bipolar cell causes bipolar cell depolarization
	C.	A light shining on the photoreceptors connected to thehorizontal cell cause an OFF bipolar cell to depolarize
	D.	A light shining on the photoreceptors connected to a horizontalcell cause an ON bipolar cell to depolarize