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refers to the diffusion gradient of an ion, which is affected by both the concentration difference of an ion across a membrane (a chemical force) and the ion’s tendency to move relative to the membrane potential (an electrical force).Group of answer choices

Question

refers to the diffusion gradient of an ion, which is affected by both the concentration difference of an ion across a membrane (a chemical force) and the ion’s tendency to move relative to the membrane potential (an electrical force).Group of answer choices

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Solution

The term you're referring to is "Electrochemical Gradient". This is a term used in biology to describe the forces that influence the movement of ions across a cell membrane. The electrochemical gradient is determined by two factors:

  1. Concentration Gradient (Chemical Force): This is the difference in the concentration of ions on the two sides of a cell's membrane. Ions naturally move from an area of higher concentration to an area of lower concentration.

  2. Electrical Gradient (Electrical Force): This is the difference in charge across the membrane. Ions also move towards areas of opposite charge.

Together, these two forces create the electrochemical gradient, which influences the direction and rate at which ions diffuse across cell membranes.

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