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First we must identify the recurring part of the decimal. We see that 72 is repeated, hence it is the recurring part of the decimal. Next, we say x = 0.1727272..., the reason why will become apparent shor...

First of all be aware of the compartments the blood will flow through such as the left and right atria and ventricles. Note the bicuspid, tricuspid and semi lunar valve positions.Blood entering the right...

Due to this only being a 4 mark question, there is no need to include a lot of waffle. There are two marks for each explanation. Procedural memory is part of the long-term memory, this is responsible for ...

First, draw out both molecules as this will make the comparison much easier. Count the number of different hydrogen environments in each molecule to determine the number of H-NMR peaks. Count the number o...

There are three main types of T cell. T helper (CD4+), T killer (CD8+) and T memory. The CD4+/8+ are complex proteins on the surface of each respective T cell that they use in their function. T helper cel...