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  1. kevinjohn

    BIOLOGY HELP!!!!!

    selective reabsorption only takes place in the kidneys not the dialysis machine. and wht do u mean by filtrate?
  2. kevinjohn

    Mathematics: Post your doubts here!

    according to last years grade boundaries i think its a C. above 110/200 was a B last yr..
  3. kevinjohn

    BIOLOGY HELP!!!!!

    a feed stock is containing bacteria, glucose, amino acids, molasses are added to a sterile container known as the fermenter. air is blown in and the mixture is continuously stirred. The bacteris produces enzymes to feed on the nutrient medium [ thats the glucose and amino acids and the...
  4. kevinjohn

    BIOLOGY HELP!!!!!

    EXCESS GLUCOSE: if the all the blood glucose is not converted to glucogen , it is sent to the kidneys along with the urea, and as it is in excess concentration is leaks out. correct me if im wrong
  5. kevinjohn

    Mathematics: Post your doubts here!

    DC is : [-d+c] and they said that DC is 2DE. so DE is 1/3 DC. -1/3d+ 1/3 c is the first ans OR 1/3(C-D) FOR THE SECOND PART: its OD + DE FOR THE POSITION VECTOR SO , OD is D and DE is 1/3(c-d): GIVING : 2/3 d + 1/3 c i think my answers r correct
  6. kevinjohn

    BIOLOGY HELP!!!!!

    no probs, btw in oct nov 2012 , qn 3 ,b : which one is the goblet cells and which r the cilliated cells?
  7. kevinjohn

    BIOLOGY HELP!!!!!

    dude blood is taken from the vein not the artery,
  8. kevinjohn

    BIOLOGY HELP!!!!!

    the patients blood is led from the vein through a tube into the dialysis machinee . inside the machine the tube is coiled up in a water bath [the water bath is made up of the same composition of glucose , water and salts as the blood in the body]. the pores in the water tube allows excess...
  9. kevinjohn

    Math 42 2013

    are u sure these values r correct, cos if they r im not losing 9 marks after all:D
  10. kevinjohn

    8th May Maths Paper 2 full solutions

    i think 60/70 is an A
  11. kevinjohn

    8th May Maths Paper 2 full solutions

    i think there is a range because, i got your same ans. I used 3 significant numbers for the individual calculations for area under the graph.
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