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  • 23 votes cast
Apr
21
comment Cell energy consumption and food intake
Does efficiency of digestive system play a part? If it is 10% efficient, then consumption should be doubled.
Apr
21
asked Cell energy consumption and food intake
Mar
30
awarded  Popular Question
Mar
20
comment Why can't the human eye focus blue light?
It might, then the suggestion would be that we dont have strong lateral inhibition among blue detector neurons. just a hypothesis.
Mar
20
comment Why can't the human eye focus blue light?
Interesting observation. In addition to aberration, which I suspect to play very little part, I'd hypothesis the role of neural network in visual pathway. What happens when only blue light detectors fires in this network? Additionally, blue light detectors usually have 1/3 of sensitivity than other colors detectors. Also if a blue-detector is tightly connected with other blue-detectors (I don't know if this is true) then exciting one with also excite few others thereby giving a blurry image.
Jan
9
comment Single long axon vs serial neurons
If you want to reduce the variance in signal transmission with n serial steps, then you need to add more steps. Therefore to achieve signal transmission with really low variance, you either want a single axon (case A) or really lot of them connected in series (case B). May be overall, case A is not so bad compared to case B not to be selected for.
Jan
9
asked Chemical reactions at the synapse
Dec
6
accepted Can a neuron make a synapse onto itself?
Dec
2
asked Flicker fusion threshold for insect eyes
Oct
23
awarded  Tumbleweed
Sep
18
asked How fast do cancer cells divide, compared to normal cells?
May
12
comment Fastest and slowest action potential
+1 for Bionumbers.
May
11
asked Fastest and slowest action potential
Apr
30
awarded  Scholar
Apr
26
comment Can a neuron make a synapse onto itself?
Thanks for the references. I'll probably wait for few more days before accepting it as answer. Let's see if someone can comment on why autapse are rare.
Apr
26
awarded  Editor
Apr
26
revised Are there free electrons in muscles, hair, or skin?
Fixed grammar and improved some sentences.
Apr
26
awarded  Teacher
Apr
25
awarded  Student
Apr
25
answered Are there free electrons in muscles, hair, or skin?