Homework Answers
Here you have to give all the combination possible for 3 factors:
The formula here is 23, because each time we have to sample a smell for each factor we have 2 options (1 or 0), and we have to sample 3 time (for the 3 receptors). So 23=8, and they are:
111
110
101
010
100
011
001
000
So the worm can smell 8 smells.
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the olfactory nasal epithelium expresses a single type of odorant
receptor. These odorant receptors constitute a large multigene
family (>1000 members) of related proteins. Binding of odorant
induces a signaling cascade that is mediated via a G protein,
Gaolf. Recent studies suggest that there are a small
number of olfactory sensory neurons in the nasal epithelium that
express members of the trace-amine associated...
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