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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 this...
JL
Answered by Jennifer L. Biology tutor
3672 Views

To what extent were the failures of the League of Nations the main cause for the outbreak of the Second World War?

Failures of the L.o.N: Poor conduct in dealing with the Manchurian Crisis and the Abyssinian Crisis - exposed weaknesses in the power of the League and demonstrated the biased power structure, with Britain a...
EH
Answered by Ethan H. History tutor
3290 Views

How do I integrate (sin x)^6?

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...
KD
7848 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, infant ...
FE
Answered by Frances E. Geography tutor
2008 Views

What is the difference between 'wenn' and 'wann'?

'Wann' is a question word and can only be used to start questions beginning with ' when ' or in indirect questions . For example, in the question ' Wann hast du Geburtstag?' (When is your birthday?) or the i...
AW
Answered by Anna W. German tutor
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