Category: F
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Ferrodoxin
An iron- and sulfur-containing protein important in the electron-transfer processes of photosynthesis in plants. It also plays a role in the metabolism of some bacteria and was first found in an anaerobic bacterium.
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Ferrochelatase
A mitochondrial enzyme that catalyzes the incorporation of iron into the protoporphyria molecule.
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Ferrobacteria
Also called iron bacteria. Any of a group of bacteria that oxidize iron as a source of energy. The oxidized iron in the form Fe(OH)3 is then deposited in the environment by secretion from the bacterium. The energy obtained from these reactions is used to carry on processes in which the basic substances needed by…
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Feedstock
Raw material(s) used for the production of chemicals; or growth substrates of microbes (e.g., yeasts or bacteria that require a solid phase to attach themselves to).
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Feedback inhibition
Inhibition of the first enzyme in a metabolic pathway by the end product of that pathway. This is a method of shutting down a metabolic pathway that is producing a product that is no longer needed.
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Federal insecticide, fungicide, and rodenticide act (FIFRA)
A law enacted by the United States Congress in 1972. During 1994, the U.S. Environmental Protection Agency (EPA) proposed that the substances produced by plants for their defense against pests and diseases would be regulated by EPA under FIFRA.
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Factor VIII
Also known as antihemophilic globulin (AHG) or antihemophilic factor VIII. A protein factor in the blood serum that is instrumental in the “cascade” of chemical reactions (involving 1 7 blood components) that leads to clot formation following a cut or other wound to tissue. Also, a deficiency of AHG is the cause of the classical…
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Finger man
A yoga master and father of Alan Finger.
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Folliculitis
An infection of the hair follicles. Inflammation of the hair follicles, especially where hair has been shaved. An inflammation and infection of the hair follicles that is usually caused by bacteria. Folliculitis may be a mild and superficial condition, or it may be more severe and involve deeper infection of the skin, particularly in bearded…
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Fat
A major source of energy in the diet. All food fats have 9 calories per gram. Some kinds of fats, especially saturated fats, may cause blood cholesterol to increase and increase the risk for heart disease. Other fats, such as unsaturated fats do not increase blood cholesterol. A major class of energy-rich food. Big and…