Dictionary » I » Ions



atoms or radicals having a charge of positive (cation) or negative (anion) electricity owing to the loss (positive) or gain (negative) of one or more electrons.

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Too many ions inside a neuron cell. What happens?

... where the sodium channel cannot gauge voltage difference effectively, and so it remains open, rapidly building up a concentration of sodium ions in the cell, and this disorder often affects potassium channels, so there is practically no way that the excess sodium ions can escape as they ...

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by Coelacanth
Tue Dec 03, 2013 1:34 am
Forum: General Discussion
Topic: Too many ions inside a neuron cell. What happens?
Replies: 1
Views: 1270

Re: Are carbohydrates hydrophobic?

... (2)). The polarity of water makes it a “universal solvent”. Its components have a slight electrical charge that makes possible the dissolution of ions. Many authors state that if water didn’t have its properties, many of the artificial and natural reactions wouldn’t be possible. References: • ...

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by HectorEnriquezC
Fri Aug 30, 2013 1:36 am
Forum: Molecular Biology
Topic: Are carbohydrates hydrophobic?
Replies: 7
Views: 14622

Re: Processing of neurons

... word applies to the movement of the information from neuron to neuron. This is a mainly chemical process something to do with sodium and potassium ions if I remember correctly.

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by animartco
Sat Aug 24, 2013 10:16 am
Forum: Physiology
Topic: Processing of neurons
Replies: 7
Views: 6111

Do We Have The Freedom Of Choice?

... have been created on last Tuesday, but the difference here is, I think, that we may try to have a logical chain of reasoning (based on our observations about nature and the laws of physics) about free will, but we cannot really have similar debate about that particular Tuesday or, say, about the ...

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by biohazard
Mon Apr 08, 2013 9:08 am
Forum: Cell Biology
Topic: Do We Have The Freedom Of Choice?
Replies: 27
Views: 27822

plasmodesm and gap junction

Both of plasmodesm (in plant cells) and gap juction (in animal cells) pass the micromolecules & ions and connect the cells to each other. Why do all plant cells have plasmodesmata but only some animal cells have gap junctions?

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by mnatashgaran
Sun Mar 31, 2013 7:42 pm
Forum: Cell Biology
Topic: plasmodesm and gap junction
Replies: 1
Views: 1906
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