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OCR A Biology

Microorganisms Nutrient Medium Broth L Agar S Optimises

Microorganisms require a sterile nutrient medium, optimal temperature, pH, and oxygen levels for growth.

Os microrganismos necessitam de um meio nutritivo estéril, temperatura, pH e níveis de oxigênio ótimos para o crescimento.

Front needs of microorganisms
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  • needs of microorganisms
    • nutrient medium (broth (l) or agar (s)) which optimises bacterial growth, kept sterile until ready for use (prevent contamination by microorganism) so aseptic techniques used
    • optimal temp, pH and O2

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