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  1. bio.libretexts.org › Bookshelves › Microbiology9.2: Oxygen Requirements for Microbial Growth

    21 kwi 2024 · Microaerophiles need oxygen to grow, albeit at a lower concentration than 21% oxygen in air. Optimum oxygen concentration for an organism is the oxygen level that promotes the fastest growth rate.

  2. www.sciencedirect.com › topics › immunology-and-microbiologyObligate Aerobe - an overview | ScienceDirect Topics

    A microbe that uses oxygen when available but can live anaerobically in the absence of oxygen is said to be a facultative aerobe. Those microbes that must have oxygen to survive are called obligate aerobes , while those that can grow only in the complete absence of molecular oxygen are called obligate anaerobes.

  3. www.britannica.com › science › bacteriaBacteria - Temperature, Oxygen, pH | Britannica

    25 paź 2024 · One of the most-prominent differences between bacteria is their requirement for, and response to, atmospheric oxygen (O2). Whereas essentially all eukaryotic organisms require oxygen to thrive, many species of bacteria can grow under anaerobic conditions.

  4. bio.libretexts.org › Bookshelves › Microbiology1.21: Bacterial Oxygen Requirements - Biology LibreTexts

    Bacterial species are classified by their oxygen requirements as follows: obligate aerobes: Produce ATP via aerobic respiration. Require around 20% atmospheric oxygen.

  5. www.sciencedirect.com › science › articleWater Chemistry and Microbiology - ScienceDirect

    1 sty 2018 · According to the ability to utilize oxygen as a terminal electron acceptor in oxidation–reduction reactions, microorganisms could be classified as obligate aerobes which are the microorganisms that must have oxygen as the terminal electron acceptor.

  6. bio.libretexts.org › Courses › North_Carolina_State_University6.1: Introduction to Oxygen Requirements - Biology LibreTexts

    Anaerobic chambers contain a hydrogen (H 2) gas mixture that is circulated through a heated palladium catalyst to remove oxygen (O 2) by forming water (H 2 O). Anaerobic chambers use a gas mixture of H 2 and nitrogen gas (N 2 ) (5/95%) or N 2 /carbon dioxide (CO 2 )/H 2 (85/10/5 %) to remove oxygen.

  7. ecampusontario.pressbooks.pub › microbio › chapter9.4 Oxygen Requirements for Microbial Growth

    Interpret visual data demonstrating minimum, optimum, and maximum oxygen or carbon dioxide requirements for growth. Identify and describe different categories of microbes with requirements for growth with or without oxygen: obligate aerobe, obligate anaerobe, facultative anaerobe, aerotolerant anaerobe, microaerophile, and capnophile.