| raf | <molecular biology> Serine/threonine protein kinase implicated in signal reponse transduction pathways involving tyrosine kinases. Apparently raf 1 is downstream of Ras1 in the signalling cascade. (18 Nov 1997) |
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| raf permease | <chemical> Do not confuse with b-raf protein. Synonym: raffinose permease, rafb protein, rafb gene product (26 Jun 1999) |
| raffia | <botany> A fibrous material used for tying plants, said to come from the leaves of a palm tree of the genus Raphia. Source: Websters Dictionary (01 Mar 1998) |
| raffinose | <biochemistry, plant biology> A nonreducing trisaccharide found in sugar beet and many seeds, consisting of the disaccharide sucrose bearing a D galactosyl residue linked _(1-6) to its glucose group. (18 Nov 1997) |
| raffish | Resembling, or having the character of, raff, or a raff; worthless; low. "A sad, raffish, disreputable character." (Thackeray) Source: Websters Dictionary (01 Mar 1998) |
| rafflesia | <botany> A genus of stemless, leafless plants, living parasitically upon the roots and stems of grapevines in Malaysia. The flowers have a carrionlike odour, and are very large, in one species (Rafflesia Arnoldi) having a diameter of two or three feet. Origin: NL. Named from its discoverer, Sir S. Raffle. Source: Websters Dictionary (01 Mar 1998) |
| rafoxanide | <chemical> 3'-chloro-4'-(p-chlorophenoxy)-3,5-diiodosalicylanilide. Veterinary anthelmintic for grazing animals; used to treat fluke, hookworm and other infestations. Pharmacological action: antinematodal agent, antiplatyhelmintic agents. Chemical name: Benzamide, N-(3-chloro-4-(4-chlorophenoxy)phenyl)-2-hydroxy-3,5-diiodo- (12 Dec 1998) |
| raft | 1. A collection of logs, boards, pieces of timber, or the like, fastened, together, either for their own collective conveyance on the water, or to serve as a support in conveying other things; a float. 2. A collection of logs, fallen trees, etc. (such as is formed in some Western rivers of the United States), which obstructs navigation. 3. [Perhaps akin to raff a heap] A large collection of people or things taken indiscriminately. "A whole raft of folks." Raft bridge. A bridge whose points of support are rafts. A bridge that consists of floating timbers fastened together. Raft duck. [The name alludes to its swimming in dense flocks. <zoology> A large, square port in a vessel's side for loading or unloading timber or other bulky articles; a timber or lumber port. Origin: Originally, a rafter, spar, and fr. Icel. Raptr a rafter; akin to Dan. Raft, Prov. G. Raff a rafter, spar; cf. OHG. Rafo, ravo, a beam, rafter, Icel. Raf roof. Cf. Rafter. Source: Websters Dictionary (01 Mar 1998) |
| rafter | 1. To make into rafters, as timber. 2. To furnish with rafters, as a house. 3. <agriculture> To plow so as to turn the grass side of each furrow upon an unplowed ridge; to ridge. Source: Websters Dictionary (01 Mar 1998) |
| proto-oncogene proteins c-raf | <enzyme> A class of serine-threonine kinases involved in cellular signal transduction. Included in this class are the proto-oncogene proteins mil and raf. Raf is a component of a signal transduction pathway leading to increased gene expression through the c-jun DNA binding site, ap1. Registry number: EC 2.7.10.- (12 Dec 1998) |
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