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  1. S

    Chemistry: Post your doubts here!

    What was the value of x??
  2. S

    GT for Biology P22

    I don't remember any parts of the question..didn't even read them properly so I dunno if they were talking about the antibody or the enzyme. What'd u wrote and how are the no of polypeptide chains 2?
  3. S

    expected grade boundries for As math p12

    Yeah explain the differentiation integration question
  4. S

    GT for Biology P22

    Cause I write that it has hydrophobic parts which point inward and hydrophilic parts which point outward making it soluble and hence a globular protein :S
  5. S

    GT for Biology P22

    The palaise enzyme which broke down the antibody? Wasnt the tertiary structure question about it?!
  6. S

    GT for Biology P22

    Ya but did they ask for the number if polypeptide chai s of the antibody or of the enzyme??
  7. S

    GT for Biology P22

    Okay wait I wrote 4 chains...we're t they talking about the antibody...I mean how many chains does the antibody and not the enzyme have??
  8. S

    GT for Biology P22

    No it said in the question that there was no quarternary structure, only tertiary structure
  9. S

    GT for Biology P22

    I know I wrote the same function...I really don't think it's correct tho. And it wasnt a typical antibody...there was aparently only 1 polypeptide chain..
  10. S

    GT for Biology P22

    Why was it of such importance then? I mean it was the site where the enzyme binder so are you sure it didn't have anythibg to do with thst
  11. S

    Chemistry: Post your doubts here!

    Did we have to name A?
  12. S

    GT for Biology P22

    What was the function of the hinge part of the antibody??
  13. S

    GT for Biology P22

    I think v and y were systole and the rest were dystole. P was atria and Q ventricle
  14. S

    GT for Biology P22

    Could someone post the antibody answers please!
  15. S

    A level Biology: Post your doubts here!

    It c because the radius of the circle covers 50 eyepiece divisions and 100 um is 40 eyepiece graticule divisions so 50/40 x 100 is 125
  16. S

    GT for Biology P22

    It was so hard especially that antibody question :/ and I messed up the altitude and pressure question too
  17. S

    A level Biology: Post your doubts here!

    Could someone list down the reasons why Africans are so susceptible to diseases such as aids and cholera?
  18. S

    A level Biology: Post your doubts here!

    A) you can still see remains of the nuclear membrane, the chromosomes/sister chromatids are still lined up at the equator & the sister chromatids haven't separated yet B) smoke contains a lot of carcinogens which change the sequence of bases is the DNA and hence create mutated genes...and u...
  19. S

    A level Biology: Post your doubts here!

    Could someone please describe the effects of nicotine on our bodies? Give at least 4 points.
  20. S

    A level Biology: Post your doubts here!

    In q4) Process A is transcription, molecule B is the tRNA, structure C is the ribosome(because that's where the polypeptide chain is being assembled) and sequence D is the anticodon. Similarities: Both have amino acids as their mononers Both have a total of 4 polypeptide chains Difference: All...
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