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Covalent bonds are a type of chemical bond formed by a shared pair of electrons between atoms. 

Covalent bonds tend to occur between non-metal type atoms ...

Optical isomerism is a paritcular type of steroeisomerism (stereoisomers are molecule that are made up of atoms joined up in the same order so have the same formula but are arranged di...

1) Firstly, the instructions to produce a protein are contained within part of the DNA molecule called a gene.

2) This information is copied from the DNA to form another ...

When taking this course and asking this question students were often frustrated when met with a response such as "there is no best way, just make sure you include quotations, keywords etc..."...

It is hard to get top marks without what examiners may call 'original' ideas. I found it hard in school to filter out points which recieve bigger marks from the rest, therefore I have come up with a fe...