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Chemoreceptors that detect saltiness—mainly the presence of sodium ions [Na+
)—and sourness— hydrogen ions (H+ ) generated by acids—have channels in
their plasma me"nbrane through which these ions. and perhaps others.
acids—have channels in their plasma me"nbrane through which these ions can
diffuse. The influx of Na+ or l—+ depolarizes the cell. The mecharisrr for umami
chemoreceptors may 'nvolve the binding of gutamate to Na+ channels; wher ...
permeable to both Na+ and Ca2+ ions. The influx of these ions depolarizes the
membrane, causing the receptor cell to generate action potentials. Humars can
distinguish thousands of different odors, each caused by a structural y distinct ...
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LibraryThing ReviewUser Review - kaionvin - LibraryThing
I wasn't going to review Biology by Neil A. Campbell, because well... 1. It's ubiquitous. 2. I studied from the sixth edition in high school for Biology AP and the eighth edition for first-year ... Read full review
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This is a fabulous book. It also came with access to a free digital copy of the book, which was very handy. Read full review