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OCR A Biology

Liver E.G Breakdown H2o2 Hepatocytes Ethanol Functions; Detoxification Site

The liver detoxifies potentially poisonous substances like H2O2 (broken down by catalase) and ethanol (broken down by alcohol dehydrogenase).

O fígado desintoxica substâncias perigosas, como H2O2 (quebrado pela catalase) e etanol (quebrado pelo álcool desidrogenase).

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Liver functions; Detoxification
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  • liver site of detoxifying potentially poisonous substances
  • e.g breakdown of H2O2 (a by-product), hepatocytes contain catalase (splits H2O2 into H2O and O2)
  • e.g breakdown of ethanol (alcohol), hepatocytes contain alcohol dehydrogenase (converts ethanol into ethanal), ethanal converted to ethanoate

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