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Analysing a poem you’ve seen can be daunting, let alone one that you’ve never seen before. However it is important that your approach is consistent and levelled, and that you follow a systematic approach ...

There are two ways of solving this problem, one which is the routine method that always works in these cases, and one which requires an interesting little trick.The standard method is to use the differenc...

Insertion - one nucleotide is inserted into already existing sequence. As amino acids are coded by 3 consistent nucleotides insertion changes the reading frame. Therefore, it is likely to have severe cons...

A good that is relatively price inelastic is one whose demand will not change much as a result of a change in its price level.Food is a necessity good and therefore consumers will continu...

The probability is the likelihood of an event occurring.In this case, 1 pen is being taken out of a bag of; 7 blue pens, 4 green pens and 6 red pens. This means 1 out of 17 (7+4+6) pens will be taken.We a...