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  1. white rose

    A level Biology: Post your doubts here!

    through the trend u can see A & D have almost same %. And B & C have almost same %. So now C cannot b adenine since its niland it is thymine. Now when C is thymine the matching % is B.So the ans is B... Hope u get it...
  2. white rose

    A level Biology: Post your doubts here!

    the ans is A bcoz DNA controls the making of protien and amylase is an enzyme which is a protien..
  3. white rose

    A level Biology: Post your doubts here!

    http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_w12_qp_13.pdf can anyone help with q.2, 5, 15, 26, 34 & 35
  4. white rose

    biology paper 1 doubts

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w12_qp_13.pdf can anyone help with q.2, 5, 15, 26, 34 & 35
  5. white rose

    Chemistry paper11 mcq discussion.

    add me tooo
  6. white rose

    Chemistry P1 Challenging Questions Preparation

    exactly...it ws soo lenghtyyyyy..:eek:
  7. white rose

    Chemistry P1 Challenging Questions Preparation

    yup i got it thnx
  8. white rose

    Chemistry P1 Challenging Questions Preparation

    thaannnks a lot...Inshallah vll Rock the paper..hope for the best(y)
  9. white rose

    Chemistry P1 Challenging Questions Preparation

    dats so great of u..:)
  10. white rose

    Chemistry: Post your doubts here!

    which variant r u giving?
  11. white rose

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s12_qp_11.pdf anyone plzz explain q. 7 & 14
  12. white rose

    Chemistry P1 Challenging Questions Preparation

    the prob. is according to my cycle i m nt getting this equation...so canu transfer the pic to laptop and snd it to me..it is vry kind of u
  13. white rose

    Chemistry P1 Challenging Questions Preparation

    can u attach the Hess cycle with the calculations...
  14. white rose

    Chemistry P1 Challenging Questions Preparation

    thanks a lot...but i m nt getting the ans for q.10...cud u please show me the calculations...
  15. white rose

    Chemistry P1 Challenging Questions Preparation

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w12_qp_11.pdf can anyone explain me q.10, 15 & 23...ur help is highly appreciated..
  16. white rose

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w11_qp_12.pdf can anyone explain me q.4 & 29 thnxx
  17. white rose

    Physics: Post your doubts here!

    thank u Maira...:)
  18. white rose

    Physics: Post your doubts here!

    thanks a lot...it helped me...
  19. white rose

    Physics: Post your doubts here!

    plzzzz show me the working..i cant get the ans:unsure::cry:
  20. white rose

    Physics: Post your doubts here!

    sorry but i m nt still getting....wht 40=12v+72 frm which equation r u getting this?
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