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Recent content by Isaac

  1. I

    Chemistry 42 Threshold for A B and C.

    It is such a hard paper!!!!!!! I predicted that I can only get 38 marks in chemistry 42 an 14 marks on paper 52. So I got frustrated all these days and I am scared of getting a C finally even if I got an "a" (a low a) in AS . Any guesses for the threshold?
  2. I

    how was chemistry p51

    due to poor time management, I did really bad too. I think it is not an easy paper.
  3. I

    How's Chemistry Paper 52?

    I also said that 0.8 is approximate to 1 and confirm the equation. I did bad because there are blank for 2 questions wothing 6 marks. I drew the graph wrong at the first time and then I erase it and grew them again and thua no time to finish. I think the A threshold can be around 18 because...
  4. I

    anyone who did biology p22

    I do not think there is plasmodesmata. I wrote only xerophyte because I think only xeryphyte are eaten by the animals in that ecosystem so that energy can be tramsfered although Kelp is photosynthetic plant.
  5. I

    For BIOLOGY paper 2 !!! How did every one do???

    The one with vaccination question?
  6. I

    For BIOLOGY paper 2 !!! How did every one do???

    Our variant are so different from yours! We were asked about HIV and we were asked to interpret data in table. Rather than vaccination, we were asked how antibodies against HIV were produced in a person who were detected to have HIV antibodies. For the ecology, we were asked to draw foodwebs...
  7. I

    BIO P2-HOW DID IT GO????

  8. I

    For BIOLOGY paper 2 !!! How did every one do???

    For the first one. I only wrote. Hydrogen bond form between polar R groups. Covalent bond form between cystein molecules. Hydrophobic interactions formed between non-polar R groups and Ionic bond form between amine and carboxylic acid group. Do you think that is OK? For the second one , it...
  9. I

    For BIOLOGY paper 2 !!! How did every one do???

    About Bio Paper !!!How did all of you do??? Easy or hard? For the enzyme tertiary structure and HIV antibodies production question, I hardly relate to the enzyme and HIV. Will that lose a lot of mark?
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