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Firstly, specialised white blood cells, known as macrophages, detect the virus in the blood stream. This is due to the virus releasing chemicals, and in the process of chemotaxis, the macrophage follows this...

Letting z be the complex number cos x + i sin x, we will use the identities (z n + 1/z n ) = 2 cos nx and (z n - 1/z n ) = 2i sin nx. Both of these follow from De Moivre’s theorem and the odd and even proper...

Firstly, you would begin by defining what is meant by social deprivation. You would have to look at the Index of Multiple Deprivation and what factors that looks at - education, access to healthcare, infant ...

In A-Level psychology, the longer answer questions are looking for a critical evaluation of the evidence or explanations. Often, the marks will be weighted towards AO3, which requires you to evaluate your ev...

The government’s preparation for the General Strike can be seen as early as 1921 after the events of Black Friday. Although Black Friday led to the collapse of the Triple Alliance, it highlighted that a unit...