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Potassium channels

potassium channels

cell membrane glycoproteins selective for potassium ions.

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Too many ions inside a neuron cell. What happens?

... 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 rush ...

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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: 2413

[NEUROSCIENCE]-Two Questions about AP Propagation

... the membrane potential AT WHICH sufficient number of Na+-voltage gated channels OPEN such that the membrane permability of sodium is greater than potassium, then HOW (in general) does the membrane potential get to the threshold in the first ...

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by AbducensNucleus
Sun Aug 05, 2012 4:19 am
Forum: Human Biology
Topic: [NEUROSCIENCE]-Two Questions about AP Propagation
Replies: 5
Views: 6334

Loop of Henle and Vasa Recta

... in the interstitial space around it. However it also has many active channels for taking up the sodium, potassium and others to increase the concentration even further. However it's also important ...

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by Babybel56
Sat May 07, 2011 3:06 pm
Forum: Human Biology
Topic: Loop of Henle and Vasa Recta
Replies: 3
Views: 15476

Pls. I need help with my hw

... C) By Na+ Ca+ antiports D) By simple diffusion through Calcium ion channels when their gates open Which of the following is TRUE about active ... of sodium ions outside of the cell and a high concentration of potassium ion inside of the cell? A) The Sodium-Potassium ATPase pump B) ...

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by mslazy
Sat Oct 09, 2010 8:56 pm
Forum: Physiology
Topic: Pls. I need help with my hw
Replies: 1
Views: 12058

Re: Potassium Channels - Determining the functional amino acids!

Additional Detail : We have been told to do the problem on neuronal cells, as it eases up some things; neuronal cells being the largest mammalian cells!

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by dharavsolanki
Tue Oct 05, 2010 5:22 pm
Forum: Cell Biology
Topic: Potassium Channels - Determining the functional amino acids!
Replies: 5
Views: 3785
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