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Describe how phagocytosis of a virus leads to presentation of its antigens

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 t...

JL
Answered by Jennifer L. Biology tutor
3396 Views

How do I integrate (sin x)^6?

Letting z be the complex number cos x + i sin x, we will use the identities (zn + 1/zn) = 2 cos nx and (zn - 1/zn) = 2i sin nx. Both of these follow from De Moi...

KD
6789 Views

Describe the differences in social deprivation in England and how this relates to health

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, infa...

FE
Answered by Frances E. Geography tutor
1740 Views

How do I boost my marks in the longer answer questions?

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...

EW
Answered by Emily W. Psychology tutor
1994 Views

How far does the government’s anti-strike organisation following Red Friday explain the failure of the 1926 General Strike? (20 marks)

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 u...

NR
Answered by Ned R. History tutor
3352 Views

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