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AQA BIOL5 Biology Unit 5 Exam - 22nd June 2011 watch

  • View Poll Results: Are you resitting this unit?
    YES!
    12.91%
    NO!
    87.09%

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    (Original post by llamalad200)
    do you need 360 total UMS for a C? if so then i need 20 UMS from this exam out of 140.
    Yes

    Well I think just as long as you remembered to pick up your pen, you're fine

    Lucky....
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    (Original post by Liron Ingleby)
    DITTO

    can someone tell me how they cant 0 and 0 for the percentage afer 80 i got 50 50 ?
    Because the neural mechanism line disappeared after 1 1/2 hours (ish). This means that no whatever was being produced, was produced via neural mechanism.
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    FFS! i put that RNA concentration decreases because during time spent as pupa, no food is consumed, so no oestrogen in diet, so transcriptinal factor cannot bind to DNA so doesn't stimulate production of mRNA.

    I mean, c'mon, i'm scientifically correct.... plus it was a 'suggest' question so why the **** can i not get the mark this is what i hate about AQA.
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    i put C for the menstruation question, i thought surge of LH signified the ovulation ?
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    For the RNA one, I put that there is less concentration of RNA during the start of the age of the pupa because it needs to make its new proteins through transcription and translation, this requires the need of RNA polymerase, mRNA and tRNA hence the reduction in concentration....is that right??!
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    (Original post by woods.vanessa)
    Our school isnt giving out results until 10am!
    Was 9am last year :confused:
    It's really unfair! some people can go into clearing faster and get the best places if they get results earlier
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    (Original post by Tericon)
    Yes

    Well I think just as long as you remembered to pick up your pen, you're fine

    Lucky....
    oh i havent done that well really i have:

    unit 1 A
    unit 2 B
    unit 3 B
    unit 4 B
    unit 5 (need 20)
    unit 6 D

    so when it all levels out most people should be fine i think
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    where was chapter 9-13

    all i saw was 14 HSW and then some 16

    and full of HSW

    very poorly done exam in my opinion
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    (Original post by Liron Ingleby)
    ohhh **** yeh! uch thats annoying cos thats an easy mark. and i got the 80 bit as well

    Im predicting:

    A*- 64
    A - 57
    B - 50
    C - 44

    etc Much harder paper than last years
    theres only been one other paper
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    (Original post by Betsss)
    I think i wrote that the end of the chromosome is more likely to have stop codons.. so was different from the middle bit.. and something about exons and intons being located at different places
    Me too! :'D
    It seems sensible
    *high fives for out of the box thinking*
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    (Original post by SarahTM)
    SAME!
    Yep, me too... and that was the question i was SURE about...
    uh oh
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    (Original post by Rickesh)
    yess! what did you put for why the percentage of bases was different in the middle of the DNA compared to the end?
    I just wrote that there would be different DNA sequences at different parts of the DNA so the mRNA coding for the 2 places has to be complementary to the DNA, which will be different, so the mRNA will contain a different sequence. And a different sequence is likely to lead to different % of bases.

    Not sure if that's the correct answer but is the only logical way I saw it
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    The essay questions were awesome =D
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    (Original post by leeds_fan_1)
    i put C for the menstruation question, i thought surge of LH signified the ovulation ?
    It does, but LH wasn't on that graph. Progesterone & Oestrogen were the only things on the graph
    It was B because progesterone levels were increasing, which happens post ovulation
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    (Original post by llamalad200)
    do you need 360 total UMS for a C? if so then i need 20 UMS from this exam out of 140.
    yeah you do need 360! and me too! (if i got 60 ums in unit 4)
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    (Original post by Liron Ingleby)
    ohhh **** yeh! uch thats annoying cos thats an easy mark. and i got the 80 bit as well

    Im predicting:

    A*- 64
    A - 57
    B - 50
    C - 44

    etc Much harder paper than last years
    yep kinda agree on that one!
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    (Original post by CrazyDaisy123)
    What was the answer to the percentage on DNA bases, the first question?! x
    18, 21
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    (Original post by Benevolence)
    What did you put about the nerve transmission being undirectional?
    receptors are only on the postsynaptic membrane
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    The questions were just poor.
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    (Original post by SarahTM)
    Me too! :'D
    It seems sensible
    *high fives for out of the box thinking*
    woop!
 
 
 
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