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Diffusion is the movement of a substance from areas of high concentration to areas of low concentration, down a concentration gradient. As a result of diffusion, substances may move in and out of cells, a...

The xylem and phloem are both tissues for the transportation of substances, required for normal functioning by plants. They differ in what substances they transport and how these are transported, however....

1. Pressure causes the membrane to become deformed/stretched.2) Sodium ion channels open - diffuse in3) Greater pressure = more channels open, greater potential difference change4) Threshold potential ...

A non competitive inhibitor has a different shape to the substrate molecule.The inhibitor binds to an allosteric site.This causes a conformational change meaning the substrate is no longer able to bind to...