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OCR Biology F212 Revision [3rd June 2013] (Now Closed) watch

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    Just done the june 2010 past paper, got 97/100. i hope monday's exam is going to be similar to that paper *fingers crossed*

    Has anyone else done this paper? any feedback ?
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    (Original post by ThatScienceGuy)
    Just done the june 2010 past paper, got 97/100. i hope monday's exam is going to be similar to that paper *fingers crossed*

    Has anyone else done this paper? any feedback ?
    Well done!
    I haven't done this paper, yet.
    I have only done the most recents and scored and average of 97/100 too!
    I will do this one, tomorrow if I can get my hands on it...
    Any reoccurring topics spotted?



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    (Original post by Ché.)
    Well done!
    I haven't done this paper, yet.
    I have only done the most recents and scored and average of 97/100 too!
    I will do this one, tomorrow if I can get my hands on it...
    Any reoccurring topics spotted?



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    Enzyme and protein structure seems to always pop up, tertiary structure etc...
    ermmmmm vaccination and immune response also seems to be recurring often
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    (Original post by ThatScienceGuy)
    Enzyme and protein structure seems to always pop up, tertiary structure etc...
    ermmmmm vaccination and immune response also seems to be recurring often
    COOL!
    Thanks...



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    What technique do you use to answer 'suggest' questions.

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    Describe the structure and mode of action of T lymphocytes and B lymphocytes, including the significance of cell signalling and the role of memory cells.

    Only need helpon this and im well set for the exam
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    (Original post by trrr)
    Describe the structure and mode of action of T lymphocytes and B lymphocytes, including the significance of cell signalling and the role of memory cells.

    Only need helpon this and im well set for the exam
    T-lymphocytes are white blood cells with receptors on surface. Antigens on the surface of the phagocyte behind to receptors due to their complementary shape. T- lymphocyte Is now activated (Clonal selection). Clonal expansion occurs whereby lones are produced and these differentiaite into different types of t - lymphocytes. T- helper cells produce substances which activate B-Lymphocyes, t killer cells and t memory cells.

    B- lymphocytes are white blood cells with antibodies on their surface . They bind to antigens as the are complementary and antibodies ave a specific variable region. This brings about b-lymphocyte activation (Clonal selection). This cell then divides my mitosis into plasma cells and memory cells

    Plasma cells are clones of b lymphocytes and they produce antibodies which are complementary in shape to antigens on pathogen. Antibodies bind to antigens framing antigen-antibody complexes which signals the immune system to destroy the pathogen


    My attempt
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    (Original post by R1C3W1N3)
    Any help with the immune response, please?

    And I've gone through every exam, labelling all the questions about their subject and unit.
    So you can almost "predict" what might come up in Mondays exam
    This is great, thank you! What do the different colours mean?
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    [QUOTE=Ché.;42897549][QUOTE=ssflcb;42895370]
    (Original post by Ché.)

    When, if so!?

    You're sorted man!
    Well done and all!
    ..., and you're very welcome!
    Are you ready for Monday!?


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    I dont know really for monday . I mean i dont think i could revise anymore but those suggest questions are always a little trip up. You ?
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    What do you usually need in this exam to get an A?


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    (Original post by lauren1brown)
    What do you usually need in this exam to get an A?


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    It varies,

    If its a very hard paper an A s usually 64-68

    if it relatively straightforward, then it's 74-78
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    Type of nutrition for a prokaryote ?


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    Suggest why many species do not breed successfully in captivity (3)
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    (Original post by nevarsan)
    Suggest why many species do not breed successfully in captivity (3)

    1. interbreeding
    2. not in natural environment so often are under stress
    3. no idea
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    anyone know what full UMS usually is?
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    (Original post by AishaTara)
    1. interbreeding
    2. not in natural environment so often are under stress
    3. no idea
    Yeah and the third one is change in dietary requirements
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    Suggest why rhinos are endangered (2
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    [QUOTE=ssflcb;42900853][QUOTE=Ché.;42897549]
    (Original post by ssflcb)


    I dont know really for monday . I mean i dont think i could revise anymore but those suggest questions are always a little trip up. You ?
    Oh... I totally hear what you're saying.
    Me?

    Lets just say by today, I will have to have known everything needed for Monday.
    I am confident that I can recall the specification, but it is the application which sometimes bewilders me.
    I got 91/100 in a couple mock examinations, but I still feel I need some work.



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    (Original post by AishaTara)
    anyone know what full UMS usually is?
    Apparently...
    I found out yesterday that it is usually 86/100 for the full UMS mark conversion.
    I am not totally sure but that's what I have been hearing...


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    [QUOTE=Ché.;42901651][QUOTE=ssflcb;42900853]
    (Original post by Ché.)

    Oh... I totally hear what you're saying.
    Me?

    Lets just say by today, I will have to have known everything needed for Monday.
    I am confident that I can recall the specification, but it is the application which sometimes bewilders me.
    I got 91/100 in a couple mock examinations, but I still feel I need some work.



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    why the sad face its 91 is amazing and full ums - whether you get 91 or 100 marks itll be same ums wise
 
 
 
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