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An enzyme is a globular protein that acts as a biological catalyst.  They work by reducing the activation energy of chemical reactions, which increases the rate of reactions.

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The media: Can pick up on small things such as Gordon Brown referring to Gillian Duffy as a bigot.

The Party: The Conservative Parties backbench demands for a European Uniion referndum wh...

The franchisee will be buying into a established brand so there will be less risk of the business failing because they have a good repuattion and have a product which consumers will demand.

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The photoelectric effect is a phenomenom which occurs when photons strike a metal causing electrons to be released from the metal atoms. This occurs because the photons transfer their energy to the ele...

To differentiate you must look at each term separately. So for x^2 to differentiate we bring the two down to multiply in front of the x and then take one away from the power leaving 2x. For 4x, x is to...