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  1. xtremeforums

    BIOLOGY PAPER 22

    I hope its low, i lost quite marks due to careless mistakes :unsure:
  2. xtremeforums

    BIOLOGY PAPER 22

    the question was "what TYPE of drug" i wrote Antibiotic... because its caused by a bacterium... What do u think?
  3. xtremeforums

    BIOLOGY PAPER 22

    high specific heat capacity, not latent heat...
  4. xtremeforums

    BIOLOGY PAPER 22

    i hope so!
  5. xtremeforums

    BIOLOGY PAPER 22

    yah i thought of that in the exam... :( i guess ur right! (y) BUT MAYYBBEEE increasing the concentration of ATP more, would cause it to reach the same curve? because the curves ddnt become horizontal, they were still rising...?
  6. xtremeforums

    BIOLOGY PAPER 22

    But the rate of reaction WAS increasing :eek: wasn't it?? :cry:
  7. xtremeforums

    BIOLOGY PAPER 22

    U wouldnt loose more than a mark for that.... i only added channel proteins, cholestrol, and glycoproteins, along with the structures asked to be added... That was enough right?
  8. xtremeforums

    BIOLOGY PAPER 22

    Do you guys remember that graph question on ATP concentration?? What did u all write for that? i wrote ara-ATP is a competitive inhibitor.... because increasing the concentration of ATP, has an effect on the rate of DNA synthesis...
  9. xtremeforums

    How do/will you do your past papers of Biology, Physics and Chemistry?

    if u cant do them on the computer, then the only options u have left are either to buy them or print them... Which ever one is more cost effective... choose that... I would personally prefer to buy them...
  10. xtremeforums

    BIOLOGY PAPER 22

    46/60 for an A probably.. The paper wasn't that hard neither was it that lengthy... I ddnt do that good though... I hope the curve is lower :cry:
  11. xtremeforums

    BIOLOGY PAPER 22

    Carrier of codes? i wrote about transcription, and production of an mRNA molecule, that codes for proteins on ribosomes...
  12. xtremeforums

    BIOLOGY PAPER 22

    Are you talking about the next part? "carrier of codes?" i wrote that answer for the first part, "DNA as stable molecule." :unsure:
  13. xtremeforums

    BIOLOGY PAPER 22

    I wrote about DNA replication, and complementary base pairing... so an exact copy of DNA is produced... thus stable? :confused: i guess that's wrong :(
  14. xtremeforums

    BIOLOGY PAPER 22

    Its the same idea as mine... I hope they are both correct!
  15. xtremeforums

    BIOLOGY PAPER 22

    What did you all write for "DNA as a stable molecule?"
  16. xtremeforums

    BIOLOGY PAPER 22

    Secondary consumer, or tertiary trophic level both should be correct I THINK. Because when ur looking at the trophic level, u also count the producer as the first trophic level. And when looking at the consumers... Herbivores are primary consumers... So I hope both are correct... I wrote...
  17. xtremeforums

    BIOLOGY PAPER 22

    vaccine: i wrote that the children have a better diet rich in proteins etc, so stronger immune system... and availability of drugs worlwide, proper usage of drugs,maintain good sanitary conditions, good hygiene.. For the phagocyte question, i wrote that the cell suraface antigens on the bacteria...
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