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DNA ( D eoxyribo N ucleic A cid) is a polymer (a molecule made up of many repeated subunits which form a chain). The subunit of DNA is a DNA nucleotide. The nucleotide is made up of three parts: a deoxyribos...

Know your texts. It is better to remember fewer texts, but in greater detail. This prevents you from trying to create links when there are none. In an exam you should barely have to improvise. If you have st...

The light-dependent reactions (LDR) take place in the stroma. It is also referred to as the Calvin Cycle. CO2 and RUBP combine, using the enzyme RUBISCO. This forms an unstable 6C carbon- which immediately b...

First of all, it is most important to define the key terms in the question. For example, lets look at the question ' How successful were the changes made to Tudor government finances in the years 1536-53?' T...

Volumes of revolution are contructed by a fuction of x, y=f(x), rotated 360 degrees, or 2pi radians around the x asxis. For example, a function of y=2 would create a cylinder of radius 2 in its volume of rev...