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This is a question from the AQA June 15 Biology A level past paper. 

Short answer: Raised testosterone causes a physiological decrease in GnRH as well as LH and FSH via negative ...

Whether panel interviews or MMIs, medical school interviews will almost certainly invovle "behavioural questioning" style questions.

These questions ask you to draw on an experi...

In order to solve this set of simultaneous equations, we will rearrange each equation to use substitution. The aim of this problem is to find out what the value of x and y is. Let's rearrange equation ...

A quadratic equation is an equation of the form y = ax² + bx + c where a, b and c are constants (for example 5, -2 or 0). To "solve&qu...

When preparing for an essay question that is based on an unseen text, many students see this as a daunting concept, as I did when studying for my A levels too! However, in reality, you will know the te...