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Home Q & A Board Biology-Related Homework Help General Biology
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ceybe ceybe
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6 years ago
How do citrus fruits such as lemons cause the basic taste of sour?
A) Citrus fruits release protons (from citric acid) that flow directly into taste cells through H+ channels in the plasma membrane.
B) The vitamin C of citrus fruits binds to specialized receptors on the plasma membrane of taste cells that trigger a sour taste response.
C) Sugars and vitamin C molecules bind simultaneously to receptors on the taste cells, creating a mix of bitter and sweet that results in the sour taste.
D) Citric acid amplifies the sour taste of vitamin C when it binds to specialized receptors on the taste cells.
Textbook 
Biological Science, Canadian Edition

Biological Science, Canadian Edition


Edition: 2nd
Authors:
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mastemamastema
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ceybe Author
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6 years ago
This was a very difficult question for me

Thanks for lending out a helping hand
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