Obligate anaerobes may use fermentation or anaerobic respiration.
Aerotolerant organisms are strictly fermentative.
In the presence of oxygen, facultative anaerobes use aerobic respiration; without oxygen, some of them ferment; some use anaerobic respiration.
Read more about this topic: Anaerobic Organism
Other articles related to "metabolism":
... fraction is most frequently used in assays that measure the metabolism of drugs and other xenobiotics ... component of the S9 fraction contain cytochrome P450 isoforms (phase I metabolism) and other enzyme activities ... portion contains the major part of the activities of transferases (phase II metabolism) ...
... This enzyme participates in 8 metabolic pathways alanine and aspartate metabolism, methionine metabolism, valine, leucine and isoleucine degradation, tyrosine metabolism, phenylalanine ...
... and history of molecular biology The term metabolism is derived from the Greek Μεταβολισμός – "Metabolismos" for "change", or "overthrow" ... The history of the scientific study of metabolism spans several centuries and has moved from examining whole animals in early studies, to examining individual metabolic reactions in modern biochemistry ... The first controlled experiments in human metabolism were published by Santorio Santorio in 1614 in his book Ars de statica medicina ...
Famous quotes containing the word metabolism:
“Hes got a fifteen percent metabolism with an overactive thyroid and a glandular affectation of about three percent. With a one percent mentality. Hes what we designate as the Crummy Moronic type.”
—Robert Pirosh, U.S. screenwriter, George Seaton, George Oppenheimer, and Sam Wood. Dr. Hugo Z. Hackenbush (Groucho Marx)