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    Biology A-Level

    Regeneration of NAD in the absence of oxygen

    What Regeneration of NAD in the absence of oxygen means in Biology A-Level, as defined for OCR.

    Definition of Regeneration of NAD in the absence of oxygen

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    Reference: OCR

    Without oxygen the electron transport chain cannot reoxidise NADH, so NAD must be regenerated for glycolysis to continue.
    OCR · Respiration (study guide)

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