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    I think it just varies dependent upon the R groups present? I'm really not too sure, but I would like to know this answer too
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    The isoelectric point of an amino acid is dependant on the pKa of the carboxyl and amino groups. By that I mean, how easily they are ionised. The actual isoelectric point pH is the average of the pKa of the carboxyl group and pKa of the amino group. Different amino acids will have different side-chains and this will effect the pka's, perhaps due to inductive, or some other effects. If the pKa's have changed, the isoelectric point is very likely to be different as well.
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    (Original post by _Andrew_)
    I think it just varies dependent upon the R groups present? I'm really not too sure, but I would like to know this answer too
    Hi. I remember you from the BMAT thread. Sorry to see you didn't get in to cambridge.
    Good luck with your interviews. I'm sure you will get your offer.

    I think someone just answered the question, probably not required for A2, but ah well, its nice to know why.
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    Yes, it's not required for A levels
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    (Original post by Kyri)
    Yes, it's not required for A levels
    Thank you.
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    (Original post by ViolinGirl)
    Because of different R groups on alpha amino acids.
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    (Original post by ViolinGirl)
    Hi. I remember you from the BMAT thread. Sorry to see you didn't get in to cambridge.
    Good luck with your interviews. I'm sure you will get your offer.

    I think someone just answered the question, probably not required for A2, but ah well, its nice to know why.

    aw thanks, I guess it wasn't meant to be And WOW, well done four your offer - thats amazing:woo: !
 
 
 
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