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  1. Omar Haider

    Bio 42 2015!!!

    No, I think showing one cross was enough, because the question clearly specified to show the second generation.
  2. Omar Haider

    Bio 42 2015!!!

    I guess you had to show for M1 bivalents (whole chromosomes) separate and for M2, chromatids do.
  3. Omar Haider

    Bio 42 2015!!!

    Lol, I wrote the same too
  4. Omar Haider

    WTF CHEMISTRY PAPER 42 IS SO HARD

    Yes it does...
  5. Omar Haider

    WTF CHEMISTRY PAPER 42 IS SO HARD

    That's what I put.
  6. Omar Haider

    Bio P4: How was it?

    Finished around an hour ago, what did you guys think of it?
  7. Omar Haider

    WTF CHEMISTRY PAPER 42 IS SO HARD

    The answers you've given cannot be correct because they don't comply with the molecular formula given, C8H9NO2. Your structure E contains 3 O's and F contains only 1. The information given for structures G and H seems accurate, I put the same. However for E it should be alcohol and amide and for...
  8. Omar Haider

    WTF CHEMISTRY PAPER 42 IS SO HARD

    ^(CH3)3-C-CH2-OH isn't a tertiary alcohol...
  9. Omar Haider

    WTF CHEMISTRY PAPER 42 IS SO HARD

    I was so nervous about the organic, i messed up little bits and pieces of inorganic.
  10. Omar Haider

    WTF CHEMISTRY PAPER 42 IS SO HARD

    that was messed up, so was like 20 marks worth of other stuff :/
  11. Omar Haider

    Chemistry P4

    What do you guys think the GT will be? and how'd you find it?
  12. Omar Haider

    WTF CHEMISTRY PAPER 42 IS SO HARD

    I found it difficult too :( what do you think you'll get?
  13. Omar Haider

    Biology paper 52

    I said calculate a mean, because there were already enough repeats
  14. Omar Haider

    Biology paper 52

    I said to dilute the initial stock sample (because the independent variable was amylase concentration) and then find the area stained with each dilution. Plot the graph of the results. Then carry out the same experiment from the amylase from the yeast extract. For the given area (from the yeast...
  15. Omar Haider

    *Biology Paper 5 tips*

    That's great, if any of you guys want to discuss anything, we can talk on private message :)
  16. Omar Haider

    *Biology Paper 5 tips*

    How were yours? I just got out of the exam hall a few minutes ago.
  17. Omar Haider

    book pdf request

    Would you happen to have the Biology and Physics revision guides too? Thanks so much for this!
  18. Omar Haider

    Physics 12 GT

    Yup, I guessed the same as well *high five*
  19. Omar Haider

    Physics 12 GT

    Yes, however there was also a resistor, so that takes up P.D. as well. And if one resistor in parallel already has a P.D. of 1 V then how will the others have 3? Voltage is the same in parallel.
  20. Omar Haider

    Physics 12 GT

    I don't remember the question exactly, but what did you put for the potential divider question where we had to find the resistance of the resistor? Options were like 755, 855, 955 and 1055 I think
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