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In the upper course of the river the river is beginning so is narrow, shallow and low energy. This low energy causes sediment to not move and therefore pebbles and rocks aren't moved by the waters action. Sm...

A personal statement needs to be just that: personal. The admissions tutor is hoping to find out what kind of a person you are, and what kind of a student you will be. They are not looking for someone who is...

The transferrin receptor (TfR) is a transmembrane glycoprotein that is highly expressed on multiple cell types, apart from highly differentiated cells. Two forms of the receptor have been characterised to da...

English essays should be natural rather than forced, so it can be difficult to come up with a fixed structure to apply to every paragraph. However, there are some useful tips and pointers that can be used: K...

Viruses are parasitic organisms that cannot survive outside a living host. They are considered to be non-living, however this still remains debatable amongst virologists. They infect their host and utilise i...