what condition will increase the diffusion of molecules, such as neurotransmitters? Increased differences in concentrations, or increased gradients, will increase diffusion. bound at postsynaptic receptors to open postsynaptic ion channels.The type of molecule or ion: Large molecules diffuse more slowly than small ones. Non-polar molecules diffuse faster All these can only cross the membrane through hydrophilic channels created by protein molecules. Diffusion through these channels is called facilitated diffusion, because it is ‘made easy’, or ‘made possible.
(A) Passive diffusion: fat-soluble substances dissolve in the cell membrane and cross the barrier (e.g., alcohol, nicotine and caffeine). Water-soluble substances such as penicillin have ... An ongoing collaboration with the group of Prof. Julio Fernandez in the Biology Department has already led to significant advances in various topics, such as the effect of hydrophobic interactions in protein collaspe (1), the force-induced mechanism of protein unfolding (2) or the diffusion dynamics of proteins under force (3).
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