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Enzymes are proteins, which are made up of long chains of aminoacids. Proteins have a primary structure (the sequence of aminoacids in the chain), a secondary structure (specific 3D shapes of the chain forme...

This is a very common type of question that might be asked in an exam and there are 3 methods we could use to solve this; by substitution, by elimination (or subtraction) or by using straight line graphs. Th...

BIDMAS Following BIDMAS, multiply the bracket out before the addition of the 2y. 3y(5y+3) = 15y 2 +9y adding the 2y gives the calculation of 15y 2 + 9y +2y = 15y 2 + 11y

George shows loyalty to Lennie at many points throughout the novel. For example, in Chapter 1, he tells him to come back to the river if he ever gets into trouble. This shows how much he cares about Lennie a...

They key thing to remember is P.E.E (Point, Evidence, Explanation). In your introduction you should start of introducing what you are going to discuss. Then each paragraph should be a different point, for ex...