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    Biology A-Level

    Order of substrate use in respiration

    What Order of substrate use in respiration means in Biology A-Level, as defined for OCR.

    Definition of Order of substrate use in respiration

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    Reference: OCR

    Proteins are typically used as a respiratory substrate only when carbohydrates and lipids are limited, and must be deaminated first.
    OCR · Respiration (study guide)

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