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AQA BIOL2 Biology Unit 2 Exam - 26th May 2011 watch

  • View Poll Results: Are you resitting this unit?
    YES!
    28.62%
    NO!
    71.38%

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    (Original post by Stratos)
    I forgot to do.....

    2 pages...

    D'oh!
    How the hell did you miss 2 whole pages out???
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    (Original post by nasira372)
    Why is it diagonal.
    Because A on one strand must have the same % of T on the other, due to complimentary base pairing. Same for C and G.
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    It was diagonal because the number had to match the base pair, right?
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    We all think we do fine until we come on here.
    :l
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    (Original post by EffKayy)
    We all think we do fine until we come on here.
    :l
    exactly!!
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    dyu reckon I will lose a mark for not including the lymphatic system??... spoke purely about osmostic pressure at the venule end being greater than hydrostatic pressure which makes liquid move back into plasma by osmosis... I WAS SO TEMPTED TO JUST WRITE LYMPHATIC SYSTEM RIGHT AT THE END AS WELL! :P usually theres like 5 marking points and only 3 are required on questions like this so just wanted clarification
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    (Original post by Catchmeifyoucan)
    How the hell did you miss 2 whole pages out???
    Massive headache...

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    (Original post by juliewho)
    Using last years ISA boundaries, I need 121 76 in bio1, 43 in ISA, 240/300 for an A D:
    :afraid: oh god oh man, I dont want to think about this anymore.
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    (Original post by nasira372)
    Why is it diagonal.
    Complementary base pairs. A bases in one strand must have the same number of T bases in the other strand.
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    How did eveyone find bio 2 paper
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    (Original post by nasira372)
    Why is it diagonal.
    If you have an A on one strand, there'll be a T on the other strand.
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    (Original post by EffKayy)
    We all think we do fine until we come on here.
    :l
    yeh i found out i mucked up calculations and made stupid mistakes and now i m meant to be revising chem unit 2 ... fml

    but dont worry doesnt mean everyones right on here- there can be different ans for the same questions..
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    (Original post by SittingOnCornflakes)
    Hehe, me too.
    I remember last night I was imagining what it would feel like to get full marks...

    ...well I needn't have bothered, it isn't happening any time soon.
    I was pushed for time! I could have done with another 10 minutes to check my answers tbh.

    I'm not looking forward to results day

    (Original post by failingatm)
    :five: I got that answer too m8, I rounded to 3sf to be 'safe' :afraid: dunno is this is wrong tho.
    :jive: Yayyyyyy. That's one answer that's right. I hope chem goes well tomorrow...
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    Ah man, I flopped hard. The complementry base pair question, the tissue fluid question, 2marks i misread.

    Ive got 78/85 at most. + All the mistakes I will make,
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    (Original post by EffKayy)
    im sure you'll have done fine.
    My friend had 3 exams today, and i think he's still doing an R.S one now.
    At least he did the RS one after the biology and not the other way round :P

    I did biology around 30mins after RS ( and i wrote like 15sides in rs) so all I could remember was keywords from that exam.

    Sigh, nothing I can do about it now tho...

    How did you find the DNA strand Q?
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    (Original post by sablarrr)
    :jive: Yayyyyyy. That's one answer that's right. I hope chem goes well tomorrow...
    Oh god Chemistry... I fail so much at chemistry. Good luck m8!
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    (Original post by Limitless)
    Itsaid 148 base pairs(or something like that) so you had to double it to find the number of bases.

    Then A pairs with T
    And C pairs with G

    So there must be the same number of A and T.
    and C and G for each strand.
    Oh no I got it in the end it just took me ages
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    The way I saw the DNA question was that if you imagined the 2 strands of DNA binded together, the number of Cytosines on the A strand equals the number of Guanines on the B strand. So it had to be diagonal otherwise it wouldnt make sense
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    (Original post by Limitless)
    It did sorry I'm talking about number of bases.
    I got 20 for the bases in the top left corner. What about you?
    yeah i got 20 too yeyy
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    (Original post by Catchmeifyoucan)
    How the hell did you miss 2 whole pages out???
    I missed a page and a half and had to scribble random stuff into the spaces when I realised.....

    ....And I had 2mins left.
 
 
 
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