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  1. Shada Mohammed

    Mathematics: Post your doubts here!

    part b explanation needed
  2. Shada Mohammed

    Mathematics: Post your doubts here!

    part c help please
  3. Shada Mohammed

    Mathematics: Post your doubts here!

    May june 2010 v22 question 8 and 11 May june 2010 v41 question 7 part c i, ii, iii, iv explanation needed
  4. Shada Mohammed

    Mathematics: Post your doubts here!

    May june 2010 v22 question 10 explanation needed
  5. Shada Mohammed

    A level Biology: Post your doubts here!

    I need a good answer please Describe the way in which the nucleotide sequence codes for the aminoacid sequence in the polypeptide
  6. Shada Mohammed

    A level Biology: Post your doubts here!

    No it has nothing to do with diameter you must work out the number of aminoacids you can get from a number of triplet bases as each triplet base codes for one aminoacid
  7. Shada Mohammed

    A level Biology: Post your doubts here!

    Yes I thinks it says how many possible triplet bases we could have from these bases? Each triplet bases equal to one aminoacid so the number of different triplet bases will equal to number of aminoacids
  8. Shada Mohammed

    A level Biology: Post your doubts here!

    A question I got from a book it says there are 20 different aminoacids which cells use to make proteins. How many different aminoacids could the triplet code for? (Remember there are four possible bases)
  9. Shada Mohammed

    Mathematics: Post your doubts here!

    Hey I have some doubts in m/j v41 q6 part c to get the volume of the prism so what I did was to multiplythe total surface area of the prism by the length it's wrong and I dont know how to do it plus in I have doubt in mj 10 question 8 part b and inquestion 10 part b and in question 7 I dont know...
  10. Shada Mohammed

    Mathematics: Post your doubts here!

    Sorry but I haven't seen this rule before I mean from where did you get the 9×8/c
  11. Shada Mohammed

    Mathematics: Post your doubts here!

    What is 9c2?
  12. Shada Mohammed

    Mathematics: Post your doubts here!

    No it says to find the value of w I did it and the answer which I got was 67 while the answer in the markschene is 64
  13. Shada Mohammed

    Mathematics: Post your doubts here!

    Find the value of w when X^75 ÷X^w = x^8
  14. Shada Mohammed

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20IGCSE/Mathematics%20(0580)/0580_s07_qp_4.pdf question 9 part c (ii) why we have to equalise the equation with 14 I thought of equalising it with 12 instead of 14.
  15. Shada Mohammed

    A level Biology: Post your doubts here!

    Guys I am really confused does the follicle starts to be formed when the oogonia has finished dividing to be primary oocyte or when it is secondary oocyte.
  16. Shada Mohammed

    Mathematics: Post your doubts here!

    The answer in the book is 1/3(a+b) I don't know how to work it out
  17. Shada Mohammed

    Mathematics: Post your doubts here!

    Well I tlhought of dividing 85 first by 3 then I got the limits I am not convinced that I should directly divide it by 3 after getting the limits of perimeter
  18. Shada Mohammed

    Mathematics: Post your doubts here!

    S=ut+1/2at^2 make a subject
  19. Shada Mohammed

    Mathematics: Post your doubts here!

    Q The perimeter of an equilateral triangle is 85cm, to the nearest cm complete Limits of its perimeter that I worked it out are 84.5cm and 85.5cm The other part of the question asks me to get the limits of length of one side the limits were 28.2cm and 28.5cm. Why the...
  20. Shada Mohammed

    Mathematics: Post your doubts here!

    You are simply amazing thanks
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