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NS FL 5 Bio passage 10

Discussion in 'Next Step MCAT Tutor Office Hours (Sponsored)' started by michmed83, Aug 24, 2015.

  1. michmed83

    2+ Year Member

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    Hello, I am having some difficulty interpreting the lipid graph - experiment 2.
    [​IMG]
    The explanation says that fraction A is HDL and fraction D is chylomicron. How is this determined? I thought SDS Page separates based on size & so the smallest proteins segments would move the farthest. (I assumed fraction A would be chylomicron and D would be HDL). I am also a little confused with how the densities are determined - fraction A is more dense than fraction B according to the explanation. Thank you!
     
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