Membrane Potential - BIO210
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8 Terms
Free Energy
Gibbs free, useable energy
Change in Free Energy
delta G final - delta G initial
Negative change in free energy means…
energy is released, exergonic, and spontaneous
Diffusion
the force of movement of matter through its concentration gradient (high to low)
following concentration gradient → releasing energy
Membrane Potential
difference in ± charges inside and outside the cell (determines the actual movement of matter)
in mV
Chemical Gradient
the diffusion of matter from areas of high concentration to areas of low concentration
Electrical Gradient
the diffusion of matter based on membrane potential (+ attracts - is favorable)
Electrochemical gradient
the driving overall force of movement (chemical gradient + electrical gradient)
Note 
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