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The photoelectric effect is the emission/removal of electrons, normally, from the surface of a metal. This is done as light is shone on the metal. This is a very useful proof that light can act as a parti...

First work out y² using the second equation, making sure to do this using the FOIL technique. Then substitute this into the first equation to get 5x² - 40x - 80 = 0. All the terms in...

As kinetic energy increases, enzyme and substrate molecules collide with more frequency allowing more enzyme substrate complexes to be formed. With increasing temperature, the tertiary structure of the pr...

It is always helpful to plan your essay before you begin. Planning is essential to have a clear, confident argument. Once you have selected your question, loosely annotate it - underlining key words (like...

Third degree price discrimination refers to when a profit-maximising firm has two different prices for different demand groups, for example, a cinema would charge the student group less than what they cha...