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What is the difference between humoral and cell mediated immunity?

Humoral: An invading pathogen in the blood or lymph has foreign antigens on its surface. This activates B cells which then produce antibodies against the antigen.Cell mediated: One of the body’s own cells be...
CA
Answered by Charlotte A. • Biology tutor
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“I soldi non fanno la felicità”. Sei d’accordo? – Discursive Essay

Being written in a foreign language it can be more difficult for you to fully understand and answer the question. Hence, it is very important to get all the keywords in order to proceed with writing your ans...
JJ
Answered by Jiaxin J. • Italian tutor
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differentiate y=(3x)/(x^2+6)

using the quotent ruledy/dx= (3(x^2+6)-3x(2x))/(x^2+6)^2dy/dx=3(x^2+6-2x^2)/(x^2+6)^2dy/dx=(18-3x^2)/(x^2+6)^2
MS
Answered by Michael S. • Maths tutor
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How does Priestley explore the theme of divisions in 'An Inspector Calls'?

As this is an essay question, the student would first need to take time to plan their answer. I would approach the question firstly by considering the examples of division in the text, then finding specific ...
HS
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Outline some of the factors preventing people from voting in the United Kingdom.

Voter turnout varies for numerous reasons, and we will examine a few of these during this sessions. Firstly, accessibility plays a major role in determining voter turnout. If voting locations cannot be easil...
EF
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