Electrochemical Gradient

An electrochemical gradient is a gradient of electrochemical potential, usually for an ion that can move across membrane. The gradient consist of two parts, the electrical potential and a difference in the chemical concentration across a membrane. The difference of electrochemical potentials can be interpreted as a type of potential energy available for work in a cell. The energy is stored in the form of chemical potential, which accounts for an ion's concentration gradient across a cell membrane, and electrostatic energy, which accounts for an ion's tendency to move under influence of the transmembrane potential.

Read more about Electrochemical Gradient:  Overview, Chemistry, Biological Context, Ion Gradients, Proton Gradients

Other articles related to "electrochemical gradient, gradients, gradient":

Electrochemical Gradient - Proton Gradients - Proton Motive Force
... Proton gradients are also made by bacteria by running ATP synthase in reverse, and are used to drive flagella ... Large enough quantities of ATP cause it to create a transmembrane proton gradient ... transport chain, and hydrolyze ATP to make a proton gradient - for flagella and the transportation of nutrients into the cell ...
Chemiosmosis - The Proton-motive Force
... on combination of two factors Diffusion force caused by concentration gradient - all particles including ions tend to diffuse from higher concentration ... Electrostatic force caused by electrical potential gradient - cations like protons H+ tend to diffuse down the electrical potential, anions in the ... These two gradients taken together can be expressed as a electrochemical gradient ...