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This is a question that I asked myself multiple times before preparing for the UKCAT. There are many people that this is not a test that cannot be revised, which I do agree to some extent - it isn't an ex...

Enzymes are typically globular proteins that catalyse a specific reaction. Being proteins, enzymes have a well-defined overall conformation (shape), or 'tertiary structure', which allows formation of a ca...

It is necessary to give an overview of your argument. It should be possible to copy and paste this introduction into the position of the conclusion. The aim of the essay is not to take the examiner on a r...

Probability is how likely something is to happen, and we sometimes here it called chance. So, the probability of something happening means how likely it is to happen. It can be expressed in two main ways:...

(In terms of formatting, we'll use little x "x" to mean the algebraic variable, and big x "X" to mean multiply). When we see two sets of brackets written next to each other, such as (....