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    Biology A-Level

    Codon

    What Codon means in Biology A-Level, as defined for Pearson Edexcel.

    Definition of Codon

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

    Reference: Pearson Edexcel

    A sequence of three adjacent nucleotides on an mRNA molecule that codes for a specific amino acid.
    Pearson Edexcel · Topic 1: Lifestyle, Health and Risk (study guide)

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    Using Codon in the exam

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