🦡 ATP


What is ATP?

ATP definition

Electrochemical Gradients


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ATP is the energy currency of physiological processes. It stands for adenosine triphosphate, and it’s the product for which both aerobic and anaerobic respiration evolved! The removal of a phosphate group from ATP results in an adenosine diphosphate (ADP) molecule, the inorganic phosphate (Pi) and energy being released.

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This reaction is reversible, so an ATP molecule can be formed back from an ADP molecule + Pi, but this time energy is being used instead of released.

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The β€œcellular work” ATP is involved in can mean anything from maintaining electrochemical gradients through active transport needed for neuron function, to muscle contraction and…