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First of all it is important to have clear and useful notes to revise from. Keep your school notes organised and you can write your own notes while looking back over these online sessions. I personally found...

Negative feedback : occurs where the feedback causes the corrective measures to be "switched off", and in doing so returns the system to its original level. Example: Temperature regulation in mamma...

Glycolysis: Takes place in the cytoplasm and involves the oxidation of a 6-carbon glucose molecule to two 3-carbon pyruvate molecules with a net gain of ATP and reduced NAD (2 molecules of each per glucose m...

This example provides us with a better understanding of how "Integration by parts" works. Building an extensive knowledge of Integral calculus requires a lot of work, but once the basics are fully ...

First, let's think of how many different possibilities we have to seat 6 people at a 'normal' table, i.e. in a straight line. Let's call the people A, B, C, D, E, F. We now have 6 seats: __ __ __ __ __ When ...