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    that question was dumb. hopefully there will be stating the obvious marks. i wrote 'junk dna suggests the dna is not useful or needed' but it mentioned centromeres and i said that they were needed in cell divison.
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    oo i shoulda mentioned centromeres
    dammit o well
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    (Original post by Nixta)
    For the 1st qst i got 2.3 micrometres
    yep i got the same ! i thot the ppr was OK ... cld hav been much worse...

    i just hope i wrote what the mark scheme expects !

    oh well... FAREWELL central concepts & AS biology!

    cant believe its ova .. sniff .. sniff...

    lol
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    AS?
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    I didn't bother revising auxins et al as I didn't think it would come up

    Just looking at the Biology 2 book now, were they after answers mentioning "apical buds / dominance" for the question on why it grows tall?
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    pretty much but obv wit som explanation
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    (Original post by endeavour)
    I didn't bother revising auxins et al as I didn't think it would come up

    Just looking at the Biology 2 book now, were they after answers mentioning "apical buds / dominance" for the question on why it grows tall?
    I'm not sure, although I did mention apical dominance. Luckily I looked over PGRs yesterday and we were talking about them just before the exam! When it said "comment" what were you supposed to do?
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    (Original post by kurupt1)
    AS?
    i meant biology 1 ( foundation, transport, HHD)
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    wut did u lot put as the differences between plant growth regulators and blood gluose homeostasis
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    (Original post by -Sian-)
    I'm not sure, although I did mention apical dominance. Luckily I looked over PGRs yesterday and we were talking about them just before the exam! When it said "comment" what were you supposed to do?
    I hate that word; it seems from looking at mark schemes, you're supposed to describe and explain (i.e. write about everything, and so I BSd lots of crap with figures from the graph and when I had some time left I went onto a blank page and wrote more)! Lol I was desparate for any mark.
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    erm..diffierent substances and different methods of travel. obv i explained what they were. i found that quite difficult for some reason. i was ready to put hormones have a range of effects whereas growth regulators are concerned with growth but it didnt really fit the question
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    i said that PGR are always made whereas hormones are secreated when needed-- and i think i wrote abt negative feedback !! oooohh im sure i got that wrong
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    i can think of loads now im not in the exam. why is it always that way! that was the best question on unifying concepts
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    (Original post by Amoeba)
    i said that PGR are always made whereas hormones are secreated when needed-- and i think i wrote abt negative feedback !! oooohh im sure i got that wrong
    I wrote about negative feedback too
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    (Original post by Nixta)
    For the 1st qst i got 2.3 micrometres
    everyone at my school got 2micrometres (to the nearest micrometre)
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    (Original post by jessica_h)
    everyone at my school got 2micrometres (to the nearest micrometre)
    I got 426 Wish I'd just played around with the numbers a bit more, then I might've come to the right answer. Oh well.
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    (Original post by -Sian-)
    I hope excess phosphates also cause eutrophication, 'cause that's what I wrote about. Hope it's right!
    it is right, according to my bio teacher
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    (Original post by Amoeba)
    i said that PGR are always made whereas hormones are secreated when needed-- and i think i wrote abt negative feedback !! oooohh im sure i got that wrong
    Oh I wrote that - but I said it was insulin and glucagon that did negative feedback while the plants hormone is positive feedback (?) ? (not sure if the last bit is true)
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    (Original post by jessica_h)
    it is right, according to my bio teacher
    Yay :p: That was a nice question to end the paper with I thought. Wait, it was the last question wasn't it?!
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    (Original post by eggnog)
    I put mRNA. My graph was basically a diagonal line from the top of the y axis to the far right of the x axis. I figured the more non-coding DNA you have, the less phosphate you need.
    I didn't do that - I thought that plants still need to replicate all of the genetic material when cells undergo mitosis/meiosis. not sure though - can anyone help?
 
 
 
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