OCR unit 2 As level

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has anyone got any stuff for revsion for the biochemistry section ; featuring proteins , glucose , nucleic acids  , enzymes etc that you could possibly share with me .... or better yet ! any advice you would like to give me to help me with this stuff .... one thing in particular ...  (i know this is completley a different section) but i dont get the immune system - not a clue whatsoever ! urgent help needed please !! :3

Posted Thu 22nd March, 2012 @ 19:33 by Rebecca Woodington

2 Answers

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http://getrevising.co.uk/resources/biology_ocr_unit_2_spec_and_explanation_all_u_need

go to this link copy and past it to the adress bar

Answered Fri 23rd March, 2012 @ 19:28 by mag10
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which part of the immune system? the t&b lymphocytes, vacination or phagocytosis

Answered Tue 27th March, 2012 @ 18:00 by Amina