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TBR Bio II.13 Chelation

Discussion in 'MCAT Study Question Q&A' started by feipar, Dec 30, 2010.

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  1. feipar


    Dec 1, 2008
    SDN 5+ Year Member

    SDN Members don't see this ad. (About Ads)
    I am having trouble understanding this question. The passage suggests that a good chelator allows anchoring of gamma carboxyglutamate along with Ca2+ to bind with coagulation factors, thereby aiding in the formation of a clot.

    Q.13 asks what bests prevents clotting, and the answer explanation said that a good chelator has most carboxy groups.

    These two statements seem contradictory. I looked up chelation online, it seems to be a good anti-clotting agent. So how do we explain it's effect during clot formation at sites of injury?

  2. shffl


    Sep 20, 2010
    Just came across this today as well. Is this an error or am I misunderstanding something?

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