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    (Original post by Jitesh)
    think I got mitosis meiosis mitosis then meiosis mitosis (or other way around)
    Thats what I thiught at first but then the zygote went from 2n to n so I just went with meiosis
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    (Original post by Yukio.X)
    What grade bounderies for a B grade?? I predict B= 45/70
    C=41/70


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    Yeah sounds about right, im thinking an A being 54/55
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    is there an unofficial mark scheme yet and does anyone know if someone uploads the test like the alevelchemistry guy on twitter
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    (Original post by beth000)
    For the % increase I added 100% to 3140% so my answer was 3240% as 51/100 * 3240 = 1652(original value)
    Whereas if you times it by 3140% it only gives you 1601 (which isn't the original value)? Idk if this is right but a similar question came up in my business exam and you had to add 100% to the final percentage ?


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    It was percentage increase, not percentage change.

    It increased from 100% to 3240% so the percentage increase was 3240-100 = 3140%
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    (Original post by medicapplicant)
    is there an unofficial mark scheme yet and does anyone know if someone uploads the test like the alevelchemistry guy on twitter
    No not yet, but there will be soon... and no idea
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    (Original post by beth000)
    For the % increase I added 100% to 3140% so my answer was 3240% as 51/100 * 3240 = 1652(original value)
    Whereas if you times it by 3140% it only gives you 1601 (which isn't the original value)? Idk if this is right but a similar question came up in my business exam and you had to add 100% to the final percentage ?


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    (Original post by 11234)
    Thats what I thiught at first but then the zygote went from 2n to n so I just went with meiosis
    same
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    Well that didn't go as planned
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    (Original post by brownlands)
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    Oh damn:/ thanks anyway!


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    in a worst case scenario, how high do you think that the biology grade boundaries will be for an A. Could they be like 60/70?
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    (Original post by brodingoson)
    Yeah sounds about right, im thinking an A being 54/55
    I doubt an A will be 55. That's nearly 80% lol. Unit 2 was normally around 70% and unit 1 was normally just a bit higher, not more than 75% ish... This had lots of ambiguous questions and was quite practical based and we had the whole content rather than split in half and it is a new spec..
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    I got 3140% to 3 significant figures ?
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    (Original post by brownlands)
    So when you're doing a multiplier like 2*1.25, to calculate percentage increase it's 1.25*100-100, to give you 25%. Same concept
    Oh okay that makes sense
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    I think 50 for an A
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    What did you guys suggest what other problem the honey bee has?

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    (Original post by ronnydandam)
    I doubt an A will be 55. That's nearly 80% lol. Unit 2 was normally around 70% and unit 1 was normally just a bit higher, not more than 75% ish... This had lots of ambiguous questions and was quite practical based and we had the whole content rather than split in half and it is a new spec..
    I agree with this, also, we have no one resitting the exam and pushing boundaries up
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    (Original post by ronnydandam)
    I doubt an A will be 55. That's nearly 80% lol. Unit 2 was normally around 70% and unit 1 was normally just a bit higher, not more than 75% ish... This had lots of ambiguous questions and was quite practical based and we had the whole content rather than split in half and it is a new spec..
    Yeah i guess but most people found it relatively easy in my 42 people class
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    (Original post by TheChosenOne1)
    in a worst case scenario, how high do you think that the biology grade boundaries will be for an A. Could they be like 60/70?
    No way. I think the highest it would be 56/70, but 52/70 seems likely for this paper.
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    (Original post by Yukio.X)
    You had to say that the person had to breath in at the strongest possible inhalation and breathe out at the strongest possible exhalation ect


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    Didn't you also have to say that you can only breathe through your mouth and not nose
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    (Original post by brodingoson)
    Yeah i guess but most people found it relatively easy in my 42 people class
    it wasn't that easy - you may think you've got the questions right but OCR are very pinickity on wording in their mark schemes and the ambiguity of the questions will lead to a lot of marks lost
 
 
 
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