Q:

What does anaerobic mean?

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Quick Answer

Anaerobic is defined as being able to exist without, or not requiring air or oxygen. Most often, anaerobic is used to define a cell or organism that lives without oxygen. The term may also be used to describe a process or function that occurs without air.

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Full Answer

The word anaerobic is from the French word, anaérobie, coined by Louis Pasteur in 1863. It is from the Greek an- ("without") + aer ("air") + bios ("life"). The opposite word is "aerobic," meaning requiring oxygen or air.

In humans, anaerobic organisms are typically found in the gastrointestinal tract. Some anaerobic bacteria produce important toxins.

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Related Questions

  • Q:

    What is aerobic and anaerobic respiration?

    A:

    Aerobic and anaerobic respiration are the two types of cellular respiration that occur in the cells of living organisms. Aerobic respiration requires oxygen, while anaerobic respiration can occur in the absence of oxygen.

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  • Q:

    What organisms use anaerobic respiration?

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    Unicellular microorganisms, called obligate anaerobes, strictly use anaerobic respiration for energy production. Common examples of obligate anaerobes are some species of bacteria, such as Clostridium tetani, Clostridium botulinum, Clostridium perfringens, Clostridium sporogenes and Clostridium difficile.

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    What are examples of anaerobic respiration?

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    Examples of anaerobic respiration include nitrate reduction, denitrification, sulfate reduction and carbonate reduction. All of these methods use an electron acceptor other than oxygen and have a membrane-bound electron transport system. These anaerobic mechanisms also synthesize adenosine triphosphate, or ATP, through ATP synthase.

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    What are the two main types of anaerobic respiration?

    A:

    The two main types of anaerobic respiration are alcoholic fermentation and lactic acid fermentation. These methods of respiration occur when the amount of oxygen available is too low to support aerobic respiration.

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