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The polymerase chain reaction (or PCR) is extremely useful at copying fragments of DNA so by the end of it you have a much bigger sample than what you started with. This is particularly useful for example...

Having to analyse an unseen passage or poem in an exam can be very daunting and it’s often tempting to panic when you first see what you’ve been given. The most important thing to do, however, is to stay ...

The conclusion is the last part of the essay that the examiner will read, and therefore you should try to explicitly link it back to the specific question. This will tell the examiner that you have und...

Primarily, the function of synapses is allow communication between nerones in the nervous system.

Additionally, the structure of synapses means that they can perform further functions. Sp...

A gene is a section of DNA used to produce a single polypeptide, or protein molecule, which is made of amino acids. The process of protein synthesis can be divided into two parts.

The fir...