AQA AS Biology

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  • Created by: ahmed
  • Created on: 22-03-13 07:24


In biology for the unit 1 paper you will need to know a few mechanisms which are on the spec:
From amongst them there is the concept of phagocytosis.

It is a really simple concept and a very easy to learn.

 Firstly the pathogen which has entered your body sends off chemoattractants which attracts a…


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