It 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 choicesosmotic potentialmembrane potentialelectrochemical gradientconcentration gradient

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

It refers to the difference in charged ions across a cell’s plasma membrane due to the difference in ion concentrations.Group of answer choicesmembrane potentialosmotic potentialconcentration gradientelectrochemical gradient

The voltage across a membrane is called the _____.Group of answer choiceselectrochemical gradientchemical gradientmembrane potentialosmotic potential