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concentration gradient: Definition from Answers.com
concentration gradient n. The graduated difference in concentration of a solute per unit distance through a ... function of concentration gradient? Read answer...

http://www.answers.com/topic/ion-gradient

Concentration Gradients
What is a concentration gradient? ... Bacteria can bias their walks based on the concentration gradient of a particular chemical. ...

http://www.mit.edu/~kardar/teaching/projects/chemotaxis(AndreaSchmidt)/gradients.htm

Molecular diffusion - Wikipedia, the free encyclopedia
... taking place in the absence of concentration (or chemical potential) gradient. ... By changing the concentration of ammonia, the rate of color change of the litmus ...

http://en.wikipedia.org/wiki/Diffusion

concentration gradient - definition of concentration gradient ...
Definition of concentration gradient in the Online Dictionary. ... "the movement of a solute down its concentration gradient is called diffusion" ...

http://www.thefreedictionary.com/concentration+gradient

Concentration Gradient - Chemistry Encyclopedia - Bibliography
Cesium - Chemistry Encyclopedia, Chalcogens - Chemistry Encyclopedia, Chemical Engineering - Chemistry Encyclopedia, Chemical Informatics - Chemistry Encyclopedia, ...

http://www.chemistryexplained.com/Co-Di/Concentration-Gradient.html

Active Transport - Biology Encyclopedia - Concentration ...
Geologic Timescale, Ocean Basin, Plain, Plateau, Stream and River, Valley, and Volcano ... A concentration gradient can be likened to water stored behind a dam. ...

http://www.biologyreference.com/A-Ar/Active-Transport.html

Transport Across Membranes
Net movement against a concentration gradient can be accomplished only via ... Concentration gradient. Cotransport. Diffusion. Diffusion across membrane ...

http://www.mansfield.ohio-state.edu/~sabedon/biol1055.htm

Aq.concentrate
This maintained a greater concentration. gradient between the water and the sur ... larger concentration gradient is main- tained than in the motionless cup in which ...

http://www.uncw.edu/aquarius/education/lessons/Aq%20Concentrate.pdf

Action potential - Wikipedia, the free encyclopedia
... pore down the transmembrane concentration gradient for that particular ion. ... of the ion down its concentration gradient becomes equal to the molecular force ...

http://en.wikipedia.org/wiki/Action_potential

15.6 Cotransport by Symporters and Antiporters -- Molecular ...
... molecules, such as glucose and amino acids, against a concentration gradient. ... across the plasma membrane, down its concentration gradient, independently of Na ...

http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=mcb&part=A4098

Fundamental Limits to Position Determination by Concentration ...
This positional information often is encoded in concentration gradients. ... how precisely a noisy concentration gradient can specify positional information. ...

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1857820/

concentration gradient: Definition from Answers.com
concentration gradient ( ′känsən′trāshən ′grādēənt ) ( chemistry ) The graded difference in the concentration of a solute throughout the solvent

http://www.answers.com/topic/concentration-gradient

Osmosis and Diffusion - A Tutorial
Diffusion proceeds until the concentration gradient no longer exists. ... Osmosis again occurs because a concentration gradient exists and the membrane is ...

http://www.mun.ca/biology/Osmosis_Diffusion/tutor2.html

IUPAC Gold Book - concentration gradient, grad C
IUPAC > Gold Book > alphabetical index > C > concentration gradient, structure search ... as amount-of-substance, mass, number, volume, concentration gradient. ...

http://goldbook.iupac.org/C01227.html

Bioc 462a Lecture Notes
rapid diffusion "down" a concentration gradient ... depends on concentration gradient across membrane but does not use a carrier ...

http://www.biochem.arizona.edu/classes/bioc462/462a/NOTES/LIPIDS/transport.html

VCAC: Cellular Processes: ATP Synthase: The Movie -- Narrative
Concentration gradients are a key component of the biological world. ... A gradient exists when there is a higher concentration of a molecule in one ...

http://vcell.ndsu.nodak.edu/animations/atpgradient/narrative.htm

Quantification of Extracellular and Intracellular Adenosine ...
Transmembranous Concentration Gradient ... concentration gradient from ... The steeper concentration gradient across the abluminal endothelial cell ...

http://circ.ahajournals.org/cgi/content/full/99/15/2041

Respiratory Research | Full text | Continuous monitoring of ...
... urea gradient has been used to calculate the absolute concentration of the ... gradient was a reasonable correction factor for the recovered concentration of ...

http://respiratory-research.com/content/8/1/78

BIOLOGY 1406
A substance diffuses down its concentration gradient. ... 1. Concentration gradient of the ion. 2. Effect of membrane potential on the ion ...

http://www.accd.edu/sac/biology/MrT/06web2/ch8.htm

Resting Membrane Potentials
This pump creates a significant concentration gradient of Na+ and K+ ions. ... Obviously, the concentration gradient of K+ and the relative permeabilities of ...

http://www.lhup.edu/jlindzey/Class%20Notes/Resting%20Membrane%20Potentials-2005.doc

Web search results for "Concentration Gradient" (55 - 74)

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