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   Cystic Fibrosis is a genetic condition that results from defective chloride ion channels. Normally a protein known as the “Cystic Fibrosis Transmembrane conductance Regulator” (CFTR) transports chlo...

This question requires knowledge of the rules of indices. 

The first rule we need to use is that when multiplying indices with the same base (which in this case is x), the indices are add...

When the interest rate is low enough, monetary policy will fail to work, because:

1. interest rate cannot be lower than zero. Given the circumstances that the interest rate is low enough,...

A good way to become more fluent is having some ideas in your head about the topics you might have to talk about, as it will stop your mind going blank in the exam. Make mindmaps of the different topic...

I always found it useful to have the marking criteria next to me while I planned my coursework essay; it is vital to plan any essay before you start because as well as shaping your essay it helps you t...