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  1. F

    Biology MCQ thread..!!

    An enzyme hydrolyses the two heavy polypeptide chains of an antibody molecule. The hydrolysis occurs at the hinge region and breaks the antibody into three fragments. How many of these fragments are able to bind to antigen? A 0 B 1 C 2 D 3 ans. is C 2... how three fragments occur?
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    Biology MCQ thread..!!

    i think this is C. both r proteins
  3. F

    Biology MCQ thread..!!

    is it B collagen?
  4. F

    Biology MCQ thread..!!

    i think its A.. its jst a guess..i dnt knw the reason :Search:
  5. F

    Biology MCQ thread..!!

    ok.. so for J10/11 23.. ans. is A.. what i think is 3 bases code for a particular amino acid... and if one base changes(3rd position) it wont make much difference.. but it makes a difference.. hope u got what im trying to say.. :)
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    Biology MCQ thread..!!

    can u xplain me y is it so...
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    can any1 help with BIO mcq'zz plzzzz

    its B tRNA n DNA has the same sequence but U is replaced by T... its so simple B
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    can any1 help with BIO mcq'zz plzzzz

    :unknown: :Search: :cry:
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    Biology MCQ thread..!!

    :unknown: :Search: :cry:
  10. F

    Biology MCQ thread..!!

    help i cant undrstnd this!!
  11. F

    can any1 help with BIO mcq'zz plzzzz

    help i cant undrstnd this!!
  12. F

    biology p4 guesses...

    Synaptic transmission and Role of synapsis..plz!!
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    Biology A2 Paper 4 Thread (1st June 2011)

    y is afferent arteriol wider than efferent arteriol? n r we rily supposed not to knw abt DCT?
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    Biology A2 Paper 4 Thread (1st June 2011)

    Now I too got confused....
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    Biology A2 Paper 4 Thread (1st June 2011)

    The blood in the glomerulus capillaries is seperated from the lumen of the renal capsule by two layers and a basement membrane. The first cell layer is the lining, or endothelium, of the capillary. Like the endothelium of most capillaries, this has gaps in it, but thes are far more gaps than in...
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    Biology A2 Paper 4 Thread (1st June 2011)

    write a short note on the Plant growth regulators.
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    Biology A2 Paper 4 Thread (1st June 2011)

    can u tell me about natural and artificial selection??? :fool: :O: :cry:
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    significant figures~~

    so its 0.079...
  19. F

    HOW WAS CHEM PAPER 5?

    ab afsos na karen..ppr4 hai..uski acche se tayari kijiye...inshaALLAH sab sahi ho jayega..ALLAH(swt) pe bharosa rakhiye...ab ppr5 ka soch ke agla ppr mat kharab kijiye...bhool jaiye..head for the nxt...with a +ve head.. :)
  20. F

    HOW WAS CHEM PAPER 5?

    q1 was the rate of decomposition of Group 2 carbonates....n q2 was to check the molra ratio of NaNO3 n NaNO2...
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