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Facilitated diffusion is a process whereby a substance passes through a membrane with a aid of an intermediary or a facilitator. The facilitator is an integral membrane protein that spans the width of the membrane.
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academic.brooklyn.cuny.edu/biology/bio4fv/page/facilit....
academic.brooklyn.cuny.edu/biology/bio4fv/page/facilit.htm
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Facilitated Diffusion: Carrier Proteins and Ion Channels ... Their transport must therefore be "facilitated" by proteins that span the membrane and provide an alternative route or bypass. Facilitated diffusion is the name given this process. ... Two major groups of integral membrane proteins are involved in facilitated diffusion:
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arbl.cvmbs.colostate.edu/hbooks/cmb/cells/pmemb/diffusi...
arbl.cvmbs.colostate.edu/hbooks/cmb/cells/pmemb/diffusion_f.html
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[Lecture Notes | Image Index | Animation Index | Home Page] ... Page Published by: Steve Downing; Department of Anatomy and Cell Biology; School of Medicine; University of Minnesota-Duluth; The University of Minnesota is an equal opportunity educator and employer. © 1997 by the Regents of the University of Minnesota;
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www.d.umn.edu/~sdowning/Membranes/diffusionanimation.ht...
www.d.umn.edu/~sdowning/Membranes/diffusionanimation.html
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[Lecture Notes | Image Index | Animation Index | Home Page] ... If you would like to see an animation of this slide click here. ... Page Published by: Steve Downing; Department of Anatomy and Cell Biology; School of Medicine; University of Minnesota-Duluth; The University of Minnesota is an equal opportunity educator and...
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www.d.umn.edu/~sdowning/Membranes/facilitateddiffusionh...
www.d.umn.edu/~sdowning/Membranes/facilitateddiffusionhigh.html
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Definition and other additional information on Facilitated diffusion from Biology-Online.org dictionary. ... Generally, the term facilitated diffusion is specifically reserved for hydrophilic channels, but there are other types of protein-assisted ... See entire post...
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www.biology-online.org/dictionary/Facilitated_diffusion
www.biology-online.org/dictionary/Facilitated_diffusion
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Facilitated Diffusion of Ions ... Facilitated diffusion of ions takes place through proteins, or assemblies of proteins, embedded in the plasma membrane. These transmembrane proteins form a water-filled channel through which the ion can pass down its concentration gradient.
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users.rcn.com/jkimball.ma.ultranet/BiologyPages/D/Diffu...
users.rcn.com/jkimball.ma.ultranet/BiologyPages/D/Diffusion.html
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Both simple and facilitated diffusion involve a substance following its concentration gradient, from high to low concentration. If the substance is lipid soluble, it readily passes through the membrane. If it is not lipid soluble, it can cross the membrane only with a specific carrier protein...
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www.mhhe.com/biosci/esp/2001_gbio/folder_structure/ce/m...
www.mhhe.com/biosci/esp/2001_gbio/folder_structure/ce/m3/s4/
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enhanced diffusion across membranes: the diffusion of substances across a biological membrane by means of membrane-spanning carrier molecules that transport substances that otherwise would diffuse slowly or not at all;
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encarta.msn.com/dictionary_561534648/facilitated_diffus...
encarta.msn.com/dictionary_561534648/facilitated_diffusion.html
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