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enEnglish
Metabolism definition: The chemical reactions that occur within the cells, tissues, or an organism. These processes include both the biosynthesis (ANABOLISM) and the breakdown (CATABOLISM) of organic materials utilized by the living organism.
metabolism definition: sum of chemical changes that occur within the tissues of an organism consisting of anabolism (biosynthesis) and catabolism; the buildup and breakdown of molecules for utilization by the organism.
metabolism definition: The total of all chemical changes that take place in a cell or an organism. These changes produce energy and basic materials needed for important life processes.
metabolic process definition: The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation. [GOC:go_curators, ISBN:0198547684]
Intermediary Metabolism definition: All the reactions in an organism concerned with storing and generating metabolic energy and with the biosynthesis of low-molecular weight compounds, energy-storage compounds, and basic materials needed for important life processes. It does not include nucleic acid and protein synthesis.
metabolism definition: Used with organs, cells and subcellular fractions, organisms, and diseases for biochemical changes and metabolism. It is used also with drugs and chemicals for catabolic changes (breakdown of complex molecules into simpler ones). For anabolic processes (conversion of small molecules into large), BIOSYNTHESIS is used. For enzymology, pharmacokinetics, and secretion use the specific subheadings.
Cell Respiration definition: The metabolic process of all living cells (animal and plant) in which oxygen is used to provide a source of energy for the cell.
aerobic respiration definition: The enzymatic release of energy from organic compounds (especially carbohydrates and fats) which requires oxygen as the terminal electron acceptor. [GOC:jl, ISBN:0140513590]
cellular respiration definition: The enzymatic release of energy from organic compounds (especially carbohydrates and fats) which either requires oxygen (aerobic respiration) or does not (anaerobic respiration). [ISBN:0140513590, ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
cellular respiration definition: metabolic process of all living cells; respiration is an oxidation-reduction reaction involving an oxidant (electron acceptor) and a reductant (electron donor); aerobes use oxygen as the electron acceptor.
Cell Respiration definition: A chemical process in which oxygen is used to make energy from carbohydrates (sugars).
Cell Respiration definition: A two-stage process in which molecules are oxidized to produce carbon dioxide and water. In the first stage, glucose is converted to pyruvic acid via the glycolytic pathway. Subsequently, pyruvic acid is metabolized to ultimately yield carbon dioxide and water.
amino acid metabolic process definition: The chemical reactions and pathways involving amino acids, organic acids containing one or more amino substituents. [ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
aminoacid metabolism definition: buildup and breakdown of aminoacids for utilization by the organism.
cellular alcohol metabolic process definition: The chemical reactions and pathways involving alcohols, any of a class of compounds containing one or more hydroxyl groups attached to a saturated carbon atom, as carried out by individual cells. [ChEBI:30879, ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
acetylcholine metabolic process definition: The chemical reactions and pathways involving acetylcholine, the acetic acid ester of the organic base choline. Acetylcholine is a major neurotransmitter and neuromodulator both in the central and peripheral nervous systems. It also acts as a paracrine signal in various non-neural tissues. [GOC:jl, GOC:nln, ISBN:0192800752]
epinephrine metabolic process definition: The chemical reactions and pathways involving epinephrine, a hormone produced by the medulla of the adrenal glands that increases heart activity, improves the power and prolongs the action of muscles, and increases the rate and depth of breathing. It is synthesized by the methylation of norepinephrine. [GOC:jl, ISBN:0192801023, ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
aflatoxin metabolic process definition: The chemical reactions and pathways involving aflatoxin, a fungal metabolite found as a contaminant in moldy grains that induces liver cancer. Aflatoxin induces a G to T transversion at codon 249 of p53, leading to its inactivation. Aflatoxin is converted to a chemical carcinogen by P450. [GOC:ai]
2-nitropropane metabolic process definition: The chemical reactions and pathways involving 2-nitropropane, a clear, colorless liquid with a mild, fruity odor. 2-nitropropane is used principally as a solvent and chemical intermediate. As a solvent, it is used in inks, paints, adhesives, varnishes, polymers, and synthetic materials. It is a feedstock for the manufacture of 2-nitro-2-methyl-1-propanol and 2-amino-2-methyl-1-propanol. [http://umbbd.ahc.umn.edu/npp/npp_map.html, UM-BBD_pathwayID:npp]
acetylene metabolic process definition: The chemical reactions and pathways involving acetylene, formula CH2CH2, the simplest of the alkynes. [ISBN:0721662544 "Dorland's Illustrated Medical Dictionary"]
acrylonitrile metabolic process definition: The chemical reactions and pathways involving acrylonitrile, a colorless, volatile liquid with a pungent odor. Acrylonitrile is used in the production of acrylic fibers, plastics, and synthetic rubbers. [http://www.iversonsoftware.com/reference/chemistry/a/acrylonitrile.htm]
adamantanone metabolic process definition: The chemical reactions and pathways involving adamantanone, tricyclo(3.3.1.13,7)decanone, a white crystalline solid used as an intermediate for microelectronics in the production of photoresists. [GOC:ai]
1,2,4-trichlorobenzene metabolic process definition: The chemical reactions and pathways involving 1,2,4-trichlorobenzene, a derivative of benzene with chlorine atoms attached to positions 1, 2 and 4 of the ring. It is a colorless liquid used as a solvent in chemical manufacturing, in dyes and intermediates, dielectric fluid, synthetic transformer oils, lubricants, heat-transfer medium and insecticides. [http://www.speclab.com/compound/c120821.htm]
1,4-dichlorobenzene metabolic process definition: The chemical reactions and pathways involving 1,4-dichlorobenzene (p-dichlorobenzene or paramoth), a derivative of benzene with two chlorine atoms attached at opposite positions on the ring. It forms white crystals at room temperature and is used as an insecticidal fumigant, particularly in mothballs. [http://www.speclab.com/compound/c106467.htm]
2,4,5-trichlorophenoxyacetic acid metabolic process definition: The chemical reactions and pathways involving 2,4,5-trichlorophenoxyacetic acid, a chlorinated aromatic compound which is widely used as a herbicide, often as a weed killer for home lawns. [UM-BBD_pathwayID:2,4,5-t]
2,4-dichlorophenoxyacetic acid metabolic process definition: The chemical reactions and pathways involving 2,4-dichlorophenoxyacetic acid, a chlorinated phenoxy compound which functions as a systemic herbicide and is used to control many types of broadleaf weeds. [UM-BBD_pathwayID:2,4d]
2-aminobenzenesulfonate metabolic process definition: The chemical reactions and pathways involving 2-aminobenzenesulfonate, aniline-o-sulfonic acid, an aromatic sulfonate used in organic synthesis and in the manufacture of various dyes and medicines. [http://umbbd.ahc.umn.edu/abs/abs_map.html, UM-BBD_pathwayID:abs]
3-hydroxyphenylacetate metabolic process definition: The chemical reactions and pathways involving 3-hydroxyphenylacetate, 1,3-benzenediol monoacetate, also known as resorcinol monoacetate. [http://chemfinder.cambridgesoft.com/]
3-methylquinoline metabolic process definition: The chemical reactions and pathways involving 3-methylquinoline, C10H9N, an aromatic compound composed of a benzene ring and a heterocyclic N-containing ring. [GOC:ai]
3-phenylpropionate metabolic process definition: The chemical reactions and pathways involving 3-phenylpropionate, the anion of phenylpropanoic acid. It is produced from putrefaction of proteins in soil or breakdown of several constituents of plants, such as lignin, various oils and resins. [GOC:ai, UM-BBD_pathwayID:ppa]
4-nitrophenol metabolic process definition: The chemical reactions and pathways involving 4-nitrophenol, a nitroaromatic compound which is used in the production of dyes, leather treatment agents, fungicides and as an intermediate in the production of the insecticide parathion. [GOC:jl]
2,4-dichlorobenzoate metabolic process definition: The chemical reactions and pathways involving 2,4-dichlorobenzoate, a chlorinated aromatic compound which is a key intermediate in the aerobic degradation of polychlorinated biphenyls (PCBs). [GOC:jl, http://umbbd.ahc.umn.edu/dcb/dcb_map.html, UM-BBD_pathwayID:dcb]
4-chlorobiphenyl metabolic process definition: The chemical reactions and pathways involving 4-chlorobiphenyl, a member of the polychlorinated biphenyl (PCB) group of compounds, a very stable group of synthetic organic compounds composed of a biphenyl nucleus with 1-10 chlorine substituents. 4-chlorobiphenyl has been used as a model substrate to investigate PCB degradation. [GOC:jl]
resorcinol metabolic process definition: The chemical reactions and pathways involving resorcinol (C6H4(OH)2), a benzene derivative with many applications, including dyes, explosives, resins and as an antiseptic. [GOC:jl, http://www.speclab.com/compound/c108463.htm]
4-toluenecarboxylate metabolic process definition: The chemical reactions and pathways involving 4-toluenecarboxylate, 4-methylbenzenecarboxylate, the anion of carboxylic acid attached to a methylbenzene molecule. [GOC:ai]
m-cresol metabolic process definition: The chemical reactions and pathways involving m-cresol (3-hydroxytoluene), the meta-isoform of cresol. Used to produce agricultural chemicals, and in specialty resins, pharmaceuticals and pressure-sensitive dyes. [GOC:jl]
4-nitrotoluene metabolic process definition: The chemical reactions and pathways involving 4-nitrotoluene, 1-methyl-4-nitrobenzene. It is a light yellow liquid with a weak aromatic odor. [GOC:ai]
2,4,6-trinitrotoluene metabolic process definition: The chemical reactions and pathways involving 2,4,6-trinitrotoluene, 1-methyl-2,4,6-trinitrobenzene, a highly explosive pale yellow crystalline solid. It is prepared from toluene treated with concentrated sulfuric and nitric acids and is used in shells, bombs, and blasting explosives. [ISBN:0333781767]
toluene-4-sulfonate metabolic process definition: The chemical reactions and pathways involving toluene-4-sulfonate, the anion of 4-toluene sulfonic acid, a white crystalline solid which is highly hygroscopic and soluble in water. [GOC:ai]
1,2,3-tribromopropane metabolic process definition: The chemical reactions and pathways involving 1,2,3-tribromopropane, a toxic and volatile organic compound commonly used as a nematocide in agriculture. [GOC:jl]
1,2-dichloroethane metabolic process definition: The chemical reactions and pathways involving 1,2-dichloroethane, a major commodity chemical used, for example, in the manufacture of vinyl chloride. [GOC:jl]
1,3-dichloropropene metabolic process definition: The chemical reactions and pathways involving members of the 1,3-dichloropropene family, which includes cis- and trans-1,3-dichloropropene. The 1,3-dichloropropenes are chlorinated hydrocarbons and the major active ingredients of commercial products for control of plant-parasitic nematodes. [http://umbbd.ahc.umn.edu/cpr/cpr_map.html, UM-BBD_pathwayID:cpr]
methyl ethyl ketone metabolic process definition: The chemical reactions and pathways involving methyl ethyl ketone, a clear, colorless liquid with a fragrant, mint-like odor. It is used as a solvent and in making plastics, textiles and paints. [http://umbbd.ahc.umn.edu/mek/mek_map.html, UM-BBD_pathwayID:mek]
6-hydroxycineole metabolic process definition: The chemical reactions and pathways involving 6-hydroxycineole (6-hydroxy-1,8-epoxy-p-menthane), a hydrocarbon with the formula C10H18O2. [GOC:ai]
2-aminoethylphosphonate metabolic process definition: The chemical reactions and pathways involving 2-aminoethylphosphonate, most abundant and ubiquitous of naturally occurring phosphonates. It is typically found as a conjugate of glycans, lipids, and proteins, which in turn perform essential biochemical functions in specialized lower organisms. [GOC:ai, PMID:12107130]
1,3-dichloro-2-propanol metabolic process definition: The chemical reactions and pathways involving 1,3-dichloro-2-propanol (DCP), a halohydrin suspected of being carcinogenic, mutagenic and genotoxic. DCP is used as a general solvent, as an intermediate in organic synthesis and in paints, varnishes, lacquers, water colors, binders and photographic lacquers. [GOC:jl, http://umbbd.ahc.umn.edu/dcp/dcp_map.html, UM-BBD_pathwayID:dcp]
allose metabolic process definition: The chemical reactions and pathways involving allose, allo-hexose, an aldohexose similar to glucose, differing only in the configuration of the hydroxyl group of C-3. [ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
alditol metabolic process definition: The chemical reactions and pathways involving alditols, any polyhydric alcohol derived from the acyclic form of a monosaccharide by reduction of its aldehyde or keto group to an alcoholic group. [ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
cellular aldehyde metabolic process definition: The chemical reactions and pathways involving aldehydes, any organic compound with the formula R-CH=O, as carried out by individual cells. [GOC:go_curators, ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
acetaldehyde metabolic process definition: The chemical reactions and pathways involving acetaldehyde, a colorless, flammable liquid intermediate in the metabolism of alcohol. [GOC:go_curators, http://cancerweb.ncl.ac.uk/]
cellular amine metabolic process definition: The chemical reactions and pathways involving any organic compound that is weakly basic in character and contains an amino or a substituted amino group, as carried out by individual cells. Amines are called primary, secondary, or tertiary according to whether one, two, or three carbon atoms are attached to the nitrogen atom. [GOC:jl, ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
1-aminocyclopropane-1-carboxylate metabolic process definition: The chemical reactions and pathways involving 1-aminocyclopropane-1-carboxylate, the anion of 1-aminocyclopropane-1-carboxylic acid, a natural product found in plant tissues. It is a key intermediate in the biosynthesis of ethylene (ethene), a fruit-ripening hormone in plants. [http://umbbd.ahc.umn.edu/acp/acp_map.html, UM-BBD_pathwayID:acp]
4-hydroxyproline metabolic process definition: The chemical reactions and pathways involving 4-hydroxyproline, C5H9NO3, a derivative of the amino acid proline. The presence of hydroxyproline is essential to produce stable triple helical tropocollagen, hence the problems caused by ascorbate deficiency in scurvy. This unusual amino acid is also present in considerable amounts in the major glycoprotein of primary plant cell walls. [GOC:ai, http://cancerweb.ncl.ac.uk/]
allantoin metabolic process definition: The chemical reactions and pathways involving allantoin, (2,5-dioxo-4-imidazolidinyl)urea, an intermediate or end product of purine catabolism. [GOC:mah, ISBN:0198547684]
alanine metabolic process definition: The chemical reactions and pathways involving alanine, 2-aminopropanoic acid. [GOC:go_curators]
amino sugar metabolic process definition: The chemical reactions and pathways involving any amino sugar, sugars containing an amino group in place of a hydroxyl group. [GOC:jl, ISBN:0192801023]
gamma-aminobutyric acid metabolic process definition: The chemical reactions and pathways involving gamma-aminobutyric acid (GABA, 4-aminobutyrate), an amino acid which acts as a neurotransmitter in some organisms. [ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
aminoglycan metabolic process definition: The chemical reactions and pathways involving aminoglycans, any polymer containing amino groups that consists of more than about 10 monosaccharide residues joined to each other by glycosidic linkages. [GOC:ai, ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
aerobactin metabolic process definition: The chemical reactions and pathways involving aerobactin (C22H36N4O13), a hydroxamate iron transport compound. It is a conjugate of 6-(N-acetyl-N-hydroxylamine)-2-aminohexanoic acid and citric acid. [GOC:ai]
10-formyltetrahydrofolate metabolic process definition: The chemical reactions and pathways involving 10-formyltetrahydrofolate, the formylated derivative of tetrahydrofolate. [GOC:ai]
adenine metabolic process definition: The chemical reactions and pathways involving adenine, 6-aminopurine, one of the five main bases found in nucleic acids and a component of numerous important derivatives of its corresponding ribonucleoside, adenosine. [GOC:go_curators]
5-methylcytosine metabolic process definition: The chemical reactions and pathways involving 5-methylcytosine, a methylated base of DNA. [GOC:ai]
2-oxoglutarate metabolic process definition: The chemical reactions and pathways involving oxoglutarate, the dianion of 2-oxoglutaric acid. It is a key constituent of the TCA cycle and a key intermediate in amino-acid metabolism. [ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
alginic acid metabolic process definition: The chemical reactions and pathways involving alginic acid, a hydrophilic polysaccharide occurring in, for example, the cell walls of brown algae (brown seaweeds). [ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
acylglycerol metabolic process definition: The chemical reactions and pathways involving acylglycerol, any mono-, di- or triester of glycerol with (one or more) fatty acids. [ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
androgen metabolic process definition: The chemical reactions and pathways involving androgens, C19 steroid hormones that can stimulate the development of male sexual characteristics. [ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
Androgen Metabolism definition: Androgen Metabolism consists of diverse biochemical reactions in the adrenal cortex that produce 19-carbon steroid hormones, which promote male sexual development or convert such steroids to metabolic derivatives.
(+)-camphor metabolic process definition: The chemical reactions and pathways involving (+)-camphor, a bicyclic monoterpene ketone which is one of the major components in the leaves of common sage. Camphor exists in two enantiomers, but the (+)-isomer is more widely distributed. [http://umbbd.ahc.umn.edu/cam/cam_map.html, UM-BBD_pathwayID:cam]
2-oxobutyrate metabolic process definition: The chemical reactions and pathways involving 2-oxobutyrate, the anion of the organic acid 2-oxobutyric acid, which contains a ketone group on carbon 2. [http://chemfinder.cambridgesoft.com/, ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
acetoin metabolic process definition: The chemical reactions and pathways involving acetoin, 3-hydroxy-2-butanone, often as part of a fermentation pathway or for use as a carbon source. [GOC:mlg]
aldoxime metabolic process definition: The chemical reactions and pathways involving aldoximes, compounds derived by the reaction of an aldose with hydroxylamine, thus containing the aldoxime group -HC=NOH. [http://cancerweb.ncl.ac.uk/]
alkaloid metabolic process definition: The chemical reactions and pathways involving alkaloids, nitrogen containing natural products which are not otherwise classified as peptides, nonprotein amino acids, amines, cyanogenic glycosides, glucosinolates, cofactors, phytohormones or primary metabolites (such as purine or pyrimidine bases). [GOC:lr, ISBN:0122146743]
adenosine metabolic process definition: The chemical reactions and pathways involving adenosine, adenine riboside, a ribonucleoside found widely distributed in cells of every type as the free nucleoside and in combination in nucleic acids and various nucleoside coenzymes. [GOC:go_curators]
7-methylguanosine metabolic process definition: The chemical reactions and pathways involving 7-methylguanosine, a modified nucleoside that forms a cap at the 5'-terminus of eukaryotic mRNA. [ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
ADP metabolic process definition: The chemical reactions and pathways involving ADP, adenosine 5'-diphosphate. [GOC:go_curators]
AMP metabolic process definition: The chemical reactions and pathways involving AMP, adenosine monophosphate. [GOC:go_curators]
acetate metabolic process definition: The chemical reactions and pathways involving acetate, the anion of acetic acid. [GOC:go_curators]
lactate metabolic process definition: The chemical reactions and pathways involving lactate, the anion of lactic acid. [ISBN:0198547684]
alkanesulfonate metabolic process definition: The chemical reactions and pathways involving alkanesulfonates, the anion of alkanesulfonic acids, sulfonic acid derivatives containing an aliphatic hydrocarbon moiety. [GOC:ai]
Metabolic Pathway definition: An elaboration of the known steps and interactions for the metabolism of a compound.
eugenol metabolic process definition: The chemical reactions and pathways involving eugenol, a colorless, aromatic, liquid hydrocarbon (C10H12O2) found in clove oil. [GOC:jl, http://cancerweb.ncl.ac.uk/]
achromobactin metabolic process definition: The chemical reactions and pathways involving achromobactin, a citrate siderophore. [GOC:jl, PMID:10928541]
fractalkine metabolic process definition: The chemical reactions and pathways involving fractalkine, a chemokine involved in the control of the key regulatory mechanisms of cell trafficking at sites of inflammation. It exists as a secreted protein and in a membrane-bound form, and exhibits a novel C-X-X-X-C cysteine signature motif. The counterpart of human fractalkine is murine neurotactin; fractalkine is also referred to as CX3C membrane-anchored chemokine or ABCD-3 and has been renamed CX3CL1. [http://www.copewithcytokines.de]
aminophosphonate metabolic process definition: The chemical reactions and pathways involving aminophosphonates, amino acid derivatives that contain a phosphonic acid moiety. [GOC:mah, http://pages.unibas.ch/mdpi/ecsoc/a0045/a0045.htm, http://www.genome.ad.jp/kegg/pathway/map/map00440.html]
propanediol metabolic process definition: The chemical reactions and pathways involving propanediol, CH3-CHOH-CH2OH, a sweet, colorless, viscous, hygroscopic liquid used as an antifreeze, in brake fluid and as a humectant in cosmetics and personal care items. [http://www.onelook.com]
2,5-dihydroxypyridine metabolic process definition: The chemical reactions and pathways involving 2,5-dihydroxypyridine. [GOC:ai]
metabolism definition: The biochemical alteration of substances introduced into the body.
Metabolic Process definition: Organic processes in a cell or organism that are necessary to sustain life. Cellular metabolism can be divided into two categories. Anabolism entails the construction of complex organic molecules from simpler precursors, while catabolism involves the breakdown of complex substances into simpler molecules.
cellular alkyne metabolic process definition: The chemical reactions and pathways involving an alkyne, any cyclic branched or unbranched hydrocarbon having a carbon-carbon triple bond and the general formula CnH2n-2, as carried out by individual cells. [ChEBI:22339, GOC:jl, Wikipedia:Alkyne]
acetoacetic acid metabolic process definition: The chemical reactions and pathways involving acetoacetic acid, 3-oxobutanoic acid; the empirical formula is C4H6O3 or CH3COCH2COOH. [ChEBI:15344, Wikipedia:Acetoacetic_acid]
cellular alkene metabolic process definition: The chemical reactions and pathways involving an alkene, any cyclic branched or unbranched hydrocarbon having one carbon-carbon double bond and the general formula CnH2n, as carried out by individual cells. [ChEBI:32878, GOC:jl, Wikipedia:Alkene]
acetone metabolic process definition: The chemical reactions and pathways involving acetone, propan-2-one. [GOC:jl]
cellular amide metabolic process definition: The chemical reactions and pathways involving an amide, any derivative of an oxoacid in which an acidic hydroxy group has been replaced by an amino or substituted amino group, as carried out by individual cells. [ChEBI:32988]
cellular alkane metabolic process definition: The chemical reactions and pathways involving an alkane, any acyclic branched or unbranched hydrocarbon having the general formula CnH2n+2, as carried out by individual cells. [ChEBI:18310, GOC:jl, Wikipedia:Alkane]
aldosterone metabolic process definition: The chemical reactions and pathways involving aldosterone, a corticosteroid hormone that is produced by the zona glomerulosa of the adrenal cortex and regulates salt (sodium and potassium) and water balance. [PMID:16527843]
ajugose metabolic process definition: The chemical reactions and pathways involving ajugose, the hexasaccharide beta-D-fructofuranosyl alpha-D-galactopyranosyl-(1->6)-alpha-D-galactopyranosyl-(1->6)-alpha-D-galactopyranosyl-(1->6)-alpha-D-galactopyranosyl-(1->6)-alpha-D-glucopyranoside. [GOC:mah, MetaCyc:CPD-8066]
21U-RNA metabolic process definition: The chemical reactions and pathways involving 21U-RNAs, a class of single-stranded RNA molecules of about 21 nucleotides in length characterized by a uridine 5'-monophosphate and a modified 3' end resistant to periodate degradation. 21U-RNAs are derived from distinct, autonomously expressed loci within the genome. [GOC:kmv]
metabolism definition: Métabolisme.
 
 
deGerman
Metabolismus definition: [1] Stoffwechsel [2] das Konzept der Metabolisten von einer flexiblen, erweiterbaren Architektur
Stoffwechsel definition: [1] Der ganze Umfang der für die Aufrechterhaltung der Funktionen eines lebenden Organismus nötigen biochemischen Vorgänge, wie die chemische Verarbeitung und der Abbau der zuvor aufgenommenen Stoffe
 
frFrench
métabolisme definition: Ensemble des transformations moléculaires et des transferts d'énergie qui se déroulent de manière ininterrompue dans la cellule ou l'organisme vivant. C'est un processus ordonné, qui fait intervenir des processus de dégradation (catabolisme) et de synthèse organique (anabolisme).