Biotechnology

    Cards (6)

    • Microorganisms can be used by humans to produce foods and other useful substances
    • Biofuels : are produced from natural products, often plant biomass containing carbohydrate
      As biofuels are produced from plants, they are renewable and theoretically carbon neutral
    • some biofuels are produced by using microorganisms to anaerobically ferment carbohydrate in the plant material ─ as is the case with bioethanol and biogas production (each process uses different microorganisms)
    • yeast is a single─celled fungus that uses sugar as its food source
      when it respires, ethanol and carbon dioxide are produced (and energy is released)
    • lactic acid and oxygen react in the liver
    • antibiotics do not help with viral infections
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