Concentration gradient flashcard sets

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concentration gradient definitions
# Definition Sets
1the path molecules travel when an imbalance between separated molecule concentrations exists62 sets
2a difference in the concentration of a substance across a distance44 sets
3the difference in the concentration of molecules across a distance33 sets
4a difference in the concentration of a substance across a space32 sets
5an increase or decrease in the density of a chemical substance in an area. cells often maintain concentration gradients of ions across their membranes. when a gradient exists, the ions or other chemical substances involved tend to move from where they are more concentrated to where they are less concentrated.15 sets
6difference in concentration of a substance on two sides of a membrane12 sets
7an increase or decrease in the density of a chemical substance in an area11 sets
8a difference in the concentration of a substance across a distance.11 sets
9difference in the concentration of molecules across a distance11 sets
10a difference in concentration between 2 areas9 sets
11an increase or decrease in the density of a chemical substance in an area. cells often maintain concentration gradients of ions across their membranes. when a gradient exists, the ions or other chemical substances involved tend to move from where they are more concentrated to where they are less concentrated8 sets
12a region along which the density of a chemical substance increases or decreases.8 sets
13the concentration of solute is not even throughout the solvent7 sets
14the difference in the concentration of molecules across a distance.7 sets
15an increase or decrease in the density of a chemical substance in an area.6 sets
16the difference of concentration of molecules across a distance5 sets
17the difference in concentration of a substance across space5 sets
18a difference in concentration between two areas4 sets
19the gradual difference in concentration of a dissolved substance in a solution between a region of high density and one of lower density.4 sets
20difference in concentration4 sets
21an increase or decrease in the density of a chemical substance in an area. cells often maintain concentration gradients of ions across their membranes. when a gradient exists, substances tend to move from where they are more concentrated to where they are less concentrated.4 sets
22the path molecules travel when an imbalance between separated molecule concentrations exists user-3 sets
23an increase or decrease in the density of a chemical substance in an area -->substances tend to move form where there are more concentrated to where they are less concentrated3 sets
24a3 sets
25difference in concentration between two areas3 sets
26the gradual difference in concentration of a dissolved substance in a solution between a region of high density and one of a lower density3 sets
27the difference in concentration of molecules across a distance3 sets
28the gradual change or fading in concentration/ diffusion3 sets
29diffusing down of this until equilibrium is reached3 sets
30a difference in the concentration of a substance from one location to another.3 sets
31the difference in the concentration of molecules across a space3 sets
32the difference between the concentration of a particular molecule in one area and the concentration in an adjacent area3 sets
33the region along which the density of a chemical substance decreases3 sets
34difference in concentration across space3 sets
35concentration difference across space3 sets
36difference in the concentration of a substance from one location to another2 sets
37difference in the concentration of a substance across a space2 sets
38an increase or decrease in the density of a chemical substance in a area2 sets
39difference in concentration across space; molecules move w/ a gradient from higher to lower concentration (mass of solute)2 sets
40one difference between facilitated diffusion and active transport is that facilitated diffusion moves substances down their _____, while active transport moves them up.2 sets