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A vaccine causes white blood cells to produce anitbodies. Antibodies are proteins which kill pathogens, such as viruses and bacteria. If the body is reinfected by the same pathogen as the vaccine then ...
This might sound obvious, but the best way to preapre yourself is by practicing alone. You will have a set number of texts, one of which you will be examined on, so make sure you know a brief analysis ...
It can be daunting having no prior knowledge of the extracts you are about to compare but here are some simple tips as so how to approach this stressful situation during your exam:1 – Read t...
First label all the sides with letters:longest side = amiddle length side = bshortest side = cNow convert the question into equation form: "the longest side is two units more than the shortest side&q...
The standard rule for integration is: integrate kx^n dx = kx^(n+1)/(n+1). However, if we try and integrate 1/x in this manner we get, x^0/0, i.e. 1/0, which is infinity. However, if we look at a graph of ...
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