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  1. I

    A level Biology: Post your doubts here!

    A scientist carried out an experiment to separate the organelles in an animal cell by mass. The scientist mixed the cells with a buffer solution which had the same water potential as the cells. He then broke the cells open with a blender to release the organelles. The extracted mixture was...
  2. I

    A level Biology: Post your doubts here!

    nothing at all:cry:
  3. I

    A level Biology: Post your doubts here!

    what about p31
  4. I

    A level Biology: Post your doubts here!

    was p22 easy?
  5. I

    Chemistry: Post your doubts here!

    they specify the structure
  6. I

    Chemistry: Post your doubts here!

    anybody...................no.........................
  7. I

    Chemistry: Post your doubts here!

    any tips for those of us writing p21??
  8. I

    Chemistry: Post your doubts here!

    anyone did p22?
  9. I

    A level Biology: Post your doubts here!

    yeah it actually was:)
  10. I

    A level Biology: Post your doubts here!

    i do 41 not 42
  11. I

    A level Biology: Post your doubts here!

    how was your last two questions with the 15marks? was it an easy topic? was there bioinformatics? :(:(
  12. I

    A level Biology: Post your doubts here!

    under which topics?
  13. I

    A level Biology: Post your doubts here!

    what were the last 2 questions??
  14. I

    Chemistry: Post your doubts here!

    did it follow amy year pattern
  15. I

    Chemistry: Post your doubts here!

    was it cool?
  16. I

    Chemistry: Post your doubts here!

    Thanks. did you do 51 or 52
  17. I

    Chemistry: Post your doubts here!

    any last minute help on cie a level chemistry paper 5
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