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    Biology A-Level

    affinity

    What affinity means in Biology A-Level, as defined for AQA.

    Definition of affinity

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    Read the wording for your board, then hide it and explain affinity in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    Indicated by the position of the curve: a shift to the left means higher affinity, while a shift to the right means lower affinity.
    AQA · Mass transport in animals (study guide)

    Topics that use affinity

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    Using affinity in the exam

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