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Blood is made of many components, one of them being red blood cells. These are responsible for carrying oxygen around the body. Haemoglobin is the protein molecule within red blood cells that binds to ...

Firstly, it expands the aggregate demand since invesment rises. Hence GDP rises. However, this depends on whether the fall is anticipated by markets already.

Secondly, it devalues the UK'...

Minimum wage is a crucial topic in A-level micro economics and I thought it ought to be one of the questions prepared.

Scientists have come up with many different definitions of a species over the years; reproductive isolation being key to all concepts. However the most widely accepted is the biological species concept: '...

Sources of genetic variation consist of random fertilisation and mutation. Mutation is a product of mistakes made during DNA replication. There are two main types of mutation; point gene mutation and c...