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OCR Biology AS F211 May 2012

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    (Original post by EyesSetToKill)
    Hard to say really, just the usual revision tips.
    -Make sure you know all definitions/key words! You'll pick up easy marks. I had a 6 mark question which was a 'fill in the gaps', basically just 6 definitions!
    -Look at the specification, make sure you can do everything on there..
    -Make sure you understand the principles of water potential, phloem/xylem, gaseous exchange etc. If you know the principle of it, it will be easier to work out/answer questions you may not know the exact answer to...if that makes sense? S:
    -Time keeping is essential in the exam! Make sure you use the most of it.

    Hope this helps! xxx
    That was really useful-thank you!
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    Revision starts now! Please, please let it be an easy test.
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    How's everyone getting on? I've almost finished all of cell structure

    :bored:
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    (Original post by Axion)
    How's everyone getting on? I've almost finished all of cell structure

    :bored:
    Woah in an hour - that's quick! How are you revising?
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    (Original post by Natalie21)
    Woah in an hour - that's quick! How are you revising?
    Textbook & spec

    Just learnt all of cell membranes ^^

    2 topics done - 4 to go.

    Feeling a bit of transport in plants next
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    (Original post by Axion)
    Textbook & spec

    Just learnt all of cell membranes ^^

    2 topics done - 4 to go.

    Feeling a bit of transport in plants next
    Are you just reading the textbook?

    I made flashcards and then did past papers :P Going over markschemes now and adding extra notes to my flashcards.
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    (Original post by Natalie21)
    Are you just reading the textbook?

    I made flashcards and then did past papers :P Going over markschemes now and adding extra notes to my flashcards.
    I'm gonig through the spec and learning each ponit with reference to my notes:

    tetst me on anything to do with cell membranes/cell structure thats in the spec :P
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    (Original post by Axion)
    I'm gonig through the spec and learning each ponit with reference to my notes:

    tetst me on anything to do with cell membranes/cell structure thats in the spec :P
    Nah I'm fine thanks :P
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    For the longer mark questions, does anyone know if you can bullet point your answers?
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    lol - just had a change of heart. Exchange surfaces next.

    Good luck on youre revision
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    here's a question for ya:

    what is meant by passive transport (2 marks)
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    (Original post by nadirapatel)
    For the longer mark questions, does anyone know if you can bullet point your answers?
    You can, but if theres a pencil next to the question it means they want good essay/question strucure & vocabulary. just bullet point them but rub out the points and write them on one line.

    remember, if part o fa sentence is wrong, they can mark the whole sentence wrong so just keep everything really really precise & short.
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    (Original post by Axion)
    here's a question for ya:

    what is meant by passive transport (2 marks)
    Transport that does not require energy from the cell in the form of ATP. It includes diffusion and facilitated diffusion (which uses a channel/carrier protein but does not use ATP)?
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    mostly correct: I would have allocated the mark as follows.

    The movement of molecules using only kinetic energy (1)

    down the molecules concentration gradient(1)

    Use that definition
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    (Original post by Axion)
    mostly correct: I would have allocated the mark as follows.

    The movement of molecules using only kinetic energy (1)

    down the molecules concentration gradient(1)

    Use that definition
    Yeah okay

    What was incorrect then?
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    (Original post by Natalie21)
    Yeah okay

    What was incorrect then?
    id say you need the only KE bit and also the down the conc gradient bit
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    (Original post by Axion)
    id say you need the only KE bit and also the down the conc gradient bit
    But nothing I put was incorrect generally?
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    describe the various ways in which the mammalian lung is adapted for efficient gas eschange (6 marks)

    Whoever is here next can answer.
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    (Original post by Natalie21)
    But nothing I put was incorrect generally?
    what you put was correct, but remember terminology :P :party2:
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    (Original post by Axion)
    what you put was correct, but remember terminology :P :party2:
    Yeah awesome
Updated: May 23, 2012
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