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Biology Unit 2 AQA 21st May 2012

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    Hey guys, are you guys ready for the exam? Lets discuss some questions
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    noooope! Dreading it, especially all the questions about enzymes :confused:
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    (Original post by lbtb28)
    noooope! Dreading it, especially all the questions about enzymes :confused:
    SAME HEREE! Deading it and I do not understand homeostasis (sorry if the spelling is wrong) at all or cell division.

    AHHH! FREAKING OUT.
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    Doing the 2012 paper should help! its hard though
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    can someone answer this question?? Please

    The tertiary structure of haemoglobin allows it to carry oxygen. Explain how?? (2 marks)


    seems easy but the book has a weird answer to it... so yea..
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    (Original post by R10T_N0_B0UNTY)
    can someone answer this question?? Please

    The tertiary structure of haemoglobin allows it to carry oxygen. Explain how?? (2 marks)


    seems easy but the book has a weird answer to it... so yea..
    Is that AQA? I have no idea what the structure of haemoglobin is :O
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    (Original post by OHNOGEM)
    Is that AQA? I have no idea what the structure of haemoglobin is :O


    Yeah... i know right .... its from the examstyle questions in the book chapter 10
    ... the answer to The tertiary structure of Haemoglobin allows it to carry oxygen, Explain how.... apperently is this....
    Each polypeptide has a specific 3D shape.... ( this is where im like... crap im soo lacking ) haemoglobin has hydrophillic groups that allow it to mix with blood...
    (Im like aint that a randomn answer... so not what I would put)
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    Has anyone got the 2012 jan paper they could mail me please or know where I can find it?? Thanks in advance :-)


    This was posted from The Student Room's iPhone/iPad App
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    umm... i got B2 resit, C2 AND P2, english lit, product design oh... and english language resit in the next two weeks -.- .... i would be f'ed if i was doing triple science. ADDITIONAL FTW and i have made like 20 revision cards with key words on like osmosis, diffusion etc and stuck them around my tv.
    Only good thing is that i get to leave school at 10:30am haha study leave <3
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    I'm resiting all the unit 2's and doing triple...
    I'm prepared enough to get my A* though.
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    Well all the best guys! Lets get good grades! Im resitting my unit 2 too. Got a C last summer. I hope i will improve by atleast a great higher! Even better, 2 grades higher :P
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    grade higher*
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    unofficial mark scheme anyone? how did everyone find it? we will all help to build one . i found it pretty easy
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    Would anyone be able to post a foundation mark scheme please I know most have done higher but I want to see how well I have done on foundation, thanks
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    (Original post by iJess)
    Would anyone be able to post a foundation mark scheme please I know most have done higher but I want to see how well I have done on foundation, thanks
    sorry i dont know what came on that paper as i didnt do it
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    (Original post by adam30)
    Hi guys, what subjects are the first few questions on the higher paper this morning? Any other questions you can remember will help, thanks
    havent you done the exam yet?!
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    No, I've got it this afternoon
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    For what enzymes are produced in pancreas would amylase and protease get the marks? What did you put for how carbon compounds in cows waste help plants...or something like that..
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    was the second answer limiting factors of photo synthesis :/

    AHH! did so bad ahaha !
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    thats impossible, everyone in the country did it this morning. are you sure its the AQA Board and not edexcel?

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