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Anaerobic

Biology AnaerobeAnagenesis

Anaerobic respiration (anaerobiosis) refers to the oxidation of molecules in the absence of oxygen to produce energy, in opposition to aerobic respiration which does use oxygen.

 


Anaerobic exercise is exercise intense enough to trigger anaerobic metabolism. It is used by athletes in non-endurance sports to promote strength, speed and power and by body builders to build muscle mass. Muscles trained...
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anaerobic
Applied to cells (largely bacterial) that can live without oxygen; strict anaerobes cannot live in the presence of oxygen.
Source: Curtis, Helena. 1968. Biology. New York, NY. Worth Publishers ...

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Definition of anaerobic : ...

anaerobic -- Pertaining to the absence of free oxygen. Anaerobic organisms do not require oxygen for their life processes, in fact oxygen is toxic to many of them. Most anaerobic organisms are bacteria or archaeans.

Anaerobic respiration (fermentation)
Substrate-level phosphorylation: 2ADP + 2Pi → 2ATP directly by enzymes in glycolysis
No O2 to accept electrons from NADH + H+ → no Krebs cycle or ETC ...

Anaerobic
The absence of oxygen. Often used to describe an organism that is sensitive to oxygen or growth conditions without oxygen.

Anaerobic: An environment in which the partial pressure of oxygen is significantly below normal atmospheric levels; deoxygenated (Lincolnet al., 1998).

Anaerobic exercise
During vigorous exercise, oxygen is consumed faster than it is needed. Additional ATP energy is provided to the muscles by glycolysis and the result is a buildup of lactate in the muscles.

anaerobic Refers to organisms that are not dependent on oxygen for respiration.

anaerobic
an-air-oh-bik) [Gk. an, without + aer, air + bios, life]
Lacking oxygen; referring to an organism, environment, or cellular process that lacks oxygen and may be poisoned by it.
anagenesis ...

Anaerobic Gram-Positive Rods:
Clostridium tetani. Clostridia are spore-forming obligate anaerobes. The spores of C. tetani are widespread in the soil and often get into the body through wounds.

Anaerobic In the absence of oxygen.
Anapleurotic reaction From the Greek for "fill up," referring to a reaction that replenishes intermediates removed from a metabolic pathway.

anaerobic bacteria Bacteria that do not need oxygen.
anaerobic respiration The incomplete intracellular breakdown of sugar or other organic compounds in the absence of oxygen that releases some energy and produces organic acids and/or alcohol.

An anaerobic step that yeast use after glycolysis that breaks down pyruvic acid to ethanol and carbon dioxide.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...

in anaerobic conditions, pyruvate is converted to glucose using the energy of light
D.
lactate is the terminal electron acceptor under aerobic conditions ...

Under anaerobic conditions, the absence of oxygen, pyruvic acid can be routed by the organism into one of three pathways: lactic acid fermentation, alcohol fermentation, or cellular (anaerobic) respiration.

Fermentation anaerobic conversion of glucose to some waste product‚ including glycolysis plus steps to regenerate NAD+
(fermentum = leaven‚ yeast)
Fibula the thin‚ outer (little-toe side) shinbone
(fibul = clasp‚ buckle) ...

Finally, a partial microarray containing about 200 genes involved in energy metabolism and regulation were constructed and used to monitor gene expression patterns under anaerobic conditions.

Many bacteria are anaerobic and die almost immediately in the presence of oxygen.

These bacteria use sulfate as an electron acceptor instead of oxygen, in a form of metabolism known as anaerobic respiration. Hydrogen sulfide is generated in the process.

in conditions of sudden anaerobic energy need, when muscle proteins are broken down for energy, alanine acts as a carrier molecule to take the nitrogen-containing amino group to the liver to be changed to the less toxic urea, ...

Fecal coliform bacteria Technically, all the facultative anaerobic gram negative non-spore forming rod shaped bacteria that fermet lactose in EC medium with gas production within 24h at 44.5 degrees C.

If the cell operates anaerobically, the pyruvate is converted to lactate or ethanol but if the cell is aerobic and oxygen is present, the pyruvate is converted to acetyl CoA.

It's called anaerobic fermentation. And voila, alcohol. Even though they are single celled, you may find them in colonies. They reproduce very quickly and hang out together.

Without mitochondria (singular, mitochondrion), higher animals would likely not exist because their cells would only be able to obtain energy from anaerobic respiration (in the absence of oxygen), ...

See also: Aerobic, Organ, Trans, Cells, Oxygen

Biology AnaerobeAnagenesis

 
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