• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

Recent content by M95Caire

  1. M

    biology p12

    Is cholera transmitted by ingestion or malaria transmitted by blood transfusion ?
  2. M

    biology paper 12 .... how was it ?

    I dun remember the letter guess it was C ? the one which indicated that 25% N14/N15 and 75% N14 yeah ?
  3. M

    biology paper 12 .... how was it ?

    I guess the GT would be about 34
  4. M

    biology paper 12 .... how was it ?

    a poor drained soil means that it has lots of water (water logged soil) so low oxygen content. therefore anaerobic conditions which means denitrifying bacteria is most likely
  5. M

    Biology p22..How was it??

    Well concerning paper 2 , the GT never exceeded 50, so we all hope that it doesnt exceed even the 42 so that we all get the A we deserve for all our efforts :P
  6. M

    Biology p22..How was it??

    I hope so!
  7. M

    Biology p22..How was it??

    Around 50 I guess, is that okay?
  8. M

    Biology p22..How was it??

    I wrote facilitated diffusion like many of my friends. well now i hope they consider both correct!
  9. M

    Biology p22..How was it??

    i'm not sure but i remember there was sth to indicate that it was diffusion not active uptake :s
  10. M

    Biology; Chemistry; Physics: Post your doubts here!

    You dont have to use the formula if its not goin okay with you. For example the question says that the half life of a radioactive substance is 10 years , what is the amout remaining after 20years? then u divide the amount of radioactive substance by 2, and the result by 2 again.
  11. M

    Biology p22..How was it??

    Guys how do we actually know if the answer was facilitated diffusion or active transport? Cause i thought the question mentioned something about high concentration of the ion in the soil , didnt it? and it also mentioned ATP, so what should be the answer?
  12. M

    A level Biology: Post your doubts here!

    A non-competetive inhibitor doesnt compete with the substrate for the active site of the enzyme, it bind to the allosteric site of the enzyme instead, alters the shape of the enzyme so it can no longer bind to its substrate. Therefore, incresing the substrate concentration won't increase the...
  13. M

    BIOLOGY practicals help

    I got the answer 3.33 too, but I just wrote "3" i think they will defintly deduct marks for this!
  14. M

    BIOLOGY practicals help

    Yess changing the time was the independant variable so it propably should be on the x-axis !
  15. M

    A level Biology: Post your doubts here!

    Yeah i need to know too, if u are informed bout anyth please message me!
See more
Top