Dictionary » I » Ion channels

Ion channels

Ion channels

Gated, ion-selective glycoproteins that traverse membranes. The stimulus for channel gating can be a membrane potential, drug, transmitter, cytoplasmic messenger, or a mechanical deformation. Ion channels which are integral parts of ionotropic neurotransmitter receptors are not included.


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influence of temperature on biomolecules

... studies addressing the relationship between temperature and any of the following: 1) membrane permeability and information flow (lipid assembly, channels, pumps, receptors) 2) diffusion rate (interaction with molecule size and shape) 3) protein-protein interactions (again, affected also by shape/bi-stability) ...

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by biobynight
Thu Aug 20, 2009 8:37 pm
 
Forum: Molecular Biology
Topic: influence of temperature on biomolecules
Replies: 0
Views: 62

Cellular processes affected by temperature..

... studies addressing the relationship between temperature and any of the following: 1) membrane permeability and information flow (lipid assembly, channels, pumps, receptors) 2) diffusion (interaction with molecule size and shape) 3) protein-protein interactions (again, affected also by shape/bi-stability) ...

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by biobynight
Thu Aug 20, 2009 8:34 pm
 
Forum: Cell Biology
Topic: LIfe processes affected by temperature..
Replies: 3
Views: 589

Insulin signaling

... cells. Once the insulin binds to this receptor, it initiates a phosphorylating enzymatic cascade system in which the cell then can open the gated channels and let more than the normal passage of glucose into the cells. Storage enzymes are also participating in this particular cascade system, in ...

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by kolean
Thu Aug 20, 2009 2:58 am
 
Forum: Human Biology
Topic: Insulin signaling
Replies: 1
Views: 58

Origins of Music

... is sensetive to higher frequencies. the sound from a chainsaw is more complex and usually shakes the entire membrane, i believe opening all the channels for reception as i recall the sense of hearing working (not that I have anything against the sound a chainsaw makes). I would think that the ...

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by Eous
Mon Aug 03, 2009 2:42 am
 
Forum: Human Biology
Topic: Origins of Music
Replies: 2
Views: 109

PostSynaptic Neuron

... continuous firing of the postsynaptic neuron. Postsynaptic neuron sometimes binds the neurotransmitter at places other than the regular ionic channels causing impulse conduction. This is called indirect synaptic tranmissions. It is slower but lasts longer. Your second question is simple: Its ...

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by freshbiology
Fri Jul 24, 2009 4:40 pm
 
Forum: General Discussion
Topic: PostSynaptic Neuron
Replies: 3
Views: 120
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