Ions

Chemiosmosis is relates to the generation of ATP by the movement of hydrogen ions across a membrane during cellular respiration.It will diffuse from an area of high proton concentration to an area of lower proton concentration. This could be harnessed to make ...

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... is activated by increase of Mg2+ concentration. I'm not sure how this proceeds, as it was always covered in lectures simply as increase of Mg2+ ions, but it could be related to chemiosmosis http://en.wikipedia.org/wiki/RuBisCO#Regulation_of_its_enzymatic_activity

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In active transport mollecules or ions move from at the region of lower concentration to the region of higher concentration until concentration becomes equal on both sides.This process require energy(ATP). In passive transport molecules or ...

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... with a substance called myelin this enables very fast transmission and has gaps at regular intervals called nodes of ranvier where diffusion of ions can occur. If we had lots of axons there would be loads of gaps and the action potentials or nerve impulses would become reduced and would probably ...

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... are polymers of amino acids covalently linked through peptide bonds into a chain. Within and outside of cells, proteins serve a myriad of functions, including structural roles (cytoskeleton), as catalysts (enzymes), transporter to ferry ions and molecules across membranes, and hormones to name ...

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