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How does a vaccination protect an individual from illness and how is the spread of a pathogen reduced by immunising a large proportion of the population?

In a vaccination there are small quantities of a dead or inactive version of the pathogen.When you inject it into the individual's body ...

CD
Answered by Ciara D. Biology tutor
4351 Views

Cosa ti piace fare nel tuo tempo libero ?

Nel mio tempo libero mi dedico allo sport, in particolare mi piace nuotare. Vado in piscina 4 volte a settimana, e nuoto per due ore, dopodiché torno a casa a studiare.Nel fine settimana di solito esco co...

MS
3228 Views

List the main structural differences between a typical animal, plant and bacteria cell

Plant and bacterial cells have a cell wall made of different material. Plant cell walls are primarily made of cellulose whereas bacterial cell walls are made of peptidoglycan. Animal cells lack cell walls...

AK
Answered by Andreas K. Biology tutor
23171 Views

Which is more reactive, chlorine or iodine. Explain why. (4 marks)

Chlorine is more reactive.Less shielding - Chlorine has fewer shells so it's outer electron is closer to the nucleus (where as iodine has greater shielding (more shells) so increased distance between the ...

ML
Answered by Maya L. Chemistry tutor
2231 Views

Find the value (8/125)^-2/3

(8/125)^-2/3We can write this as ((8/125)^1/3)^-2So cube rooting we then get (2/5)^-2Then if we get the inverse we get (5/2)^2And finally we square the answer to get 25/4

NN
Answered by Nabeel N. Maths tutor
9657 Views

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