What Is Active Transport
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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 ... How does concentration gradient affect diffusion? ...
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 ...
Oil, Open Door Interpretation, Open Door Policy, Organized Labor, Outer Space, ... 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