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When you differentiate you find the equation which lets you find the gradient of the equation at a specific point.To do so you multiply the power of the x by the respective coefficient, then that becomes ...

Price Elasticity of Demand measures the responsiveness of quantity demanded by consumers after a change in price of the product. At A-Level this is measured via two points on the demand curve A and B. The...

The refractory period means that another action potential cannot be generated.This is important as it allows the action potential to not propagate back but reset via the sodium-potassium pump, to restore ...

Temperature: An increase in temperature increases diffusion rate. Concentration gradient (difference in concentration): A greater concentration gradient increases diffusion rate. Surface area of a membran...

There are 4 things we need for a group: associativity, the existence of an identity, inverses in the group and closure. The integers are definitely associative under this operation as addition is associat...