| alkarsin | <chemistry> A spontaneously inflammable liquid, having a repulsive odour, and consisting of cacodyl and its oxidation products. Synonym: Cadel's fuming liquid. Origin: Alkali + arsenic + -in. Source: Websters Dictionary (01 Mar 1998) |
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| alkatriene | An acyclic hydrocarbon containing three double bonds; e.g., 2,4,6-octatriene, CH3-CH==CH-CH==CH-CH==CH- CH3. (05 Mar 2000) |
| alkavervir | A mixture of alkaloids obtained by the selective extraction of Veratrum viride with various organic solvents; used orally or parenterally as a hypotensive agent. (05 Mar 2000) |
| alkekengi | <botany> An herbaceous plant of the nightshade family (Physalis alkekengi) and its fruit, which is a well flavored berry, the size of a cherry, loosely inclosed in a enlarged leafy calyx; also called winter cherry, ground cherry, and strawberry tomato. Origin: Cf. F. Alkekenge, Sp. Alquequenje, ultimately fr. Ar. Al-kakanj a kind of resin from Herat. Source: Websters Dictionary (01 Mar 1998) |
| alkene | <chemistry> An organic molecule containing carbon and hydrogen atoms in straight or branched chains, where at least one carbon-carbon bond is a double bond. One of three major classes of aliphatic hydrocarbons. (13 Nov 1997) |
| alkene monooxygenase | <enzyme> Multicomponent, NADH or NADPH-dependent enzyme from mycobacterium; similar to EC 1.14.13.25 but only converts alkenes to the corresponding epoxides Registry number: EC 1.14.13.- (26 Jun 1999) |
| alkenes | Unsaturated hydrocarbons of the type cn-h2n, indicated by the suffix -ene. (12 Dec 1998) |
| alkenyl | The radical of an alkene. (05 Mar 2000) |
| alkermes | <pharmacology> A compound cordial, in the form of a confection, deriving its name from the kermes insect, its principal ingredient. Origin: Ar. Al-qirmiz kermes. See Kermes. Source: Websters Dictionary (01 Mar 1998) |
| alkide | 1. A hydrocarbon radical of the general formula CnH2n+1. 2. A compound, such as tetraethyl lead, in which a metal is combined with alkyl radicals. Synonym: alkide. (05 Mar 2000) |
| alkyl | 1. A hydrocarbon radical of the general formula CnH2n+1. 2. A compound, such as tetraethyl lead, in which a metal is combined with alkyl radicals. Synonym: alkide. (05 Mar 2000) |
| alkyl and aryl transferases | <enzyme> A somewhat heterogeneous class of enzymes that catalyze the transfer of alkyl or related groups (excluding methyl groups). Registry number: EC 2.5 (12 Dec 1998) |
| alkyl dihydroxyacetone phosphate oxidoreductase | <enzyme> Forms alkyl-sn-glycerol 3-phosphate, uses NADPH Registry number: EC 1.1.1.- (26 Jun 1999) |
| alkyl group | <chemistry> A funtional group on an organic molecule which is derived from an alkane which has lost a hydrogen atom. (13 Nov 1997) |
| alkyl hydroperoxide reductase | <enzyme> Reduces an alkyl hydroperoxide to the corresponding alcohol in the presence of NADPH; ahpc gene product from salmonella typhimurium Registry number: EC 1.- Synonym: ahpc gene product, alkylhydroperoxide reductase, ahpf gene product (26 Jun 1999) |
| alkalosis |
abnormally high alkalinity (low hydrogen-ion concentration) of the blood and other body tissues
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| alkaloid |
natural bases containing nitrogen found in plants
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| alkaptonuria |
a rare recessive metabolic anomaly marked by ochronosis and the presence of alkapton in the urine
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| alkene |
any unsaturated aliphatic hydrocarbon
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| alkapton |
an acid formed as an intermediate product of the metabolism of tyrosine and phenylalanine
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| ALK | organic compound that has an alkyl group bound to a benzene ring |
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| ALK | sulfonate of alkyl benzene |
| ALK | (chemistry) of or related to an alkyl |
| ALK | a colorless flammable gas used chiefly in welding and in organic synthesis |