| represent | 1. To present again or anew; to present by means of something standing in the place of; to exhibit the counterpart or image of; to typify. "Before him burn Seven lamps, as in a zodiac representing The heavenly fires." (Milton) 2. To portray by pictoral or plastic art; to delineate; as, to represent a landscape in a picture, a horse in bronze, and the like. 3. To portray by mimicry or action of any kind; to act the part or character of; to personate; as, to represent Hamlet. 4. To stand in the place of; to supply the place, perform the duties, exercise the rights, or receive the share, of; to speak and act with authority in behalf of; to act the part of (another); as, an heir represents his ancestor; an attorney represents his client in court; a member of Congress represents his district in Congress. 5. To exhibit to another mind in language; to show; to give one's own impressions and judgement of; to bring before the mind; to set forth; sometimes, to give an account of; to describe. "He represented Rizzio's credit with the queen to be the chief and only obstacle to his success in that demand." (Robertson) "This bank is thought the greatest load on the Genoese, and the managers of it have been represented as a second kind of senate." (Addison) 6. To serve as a sign or symbol of; as, mathematical symbols represent quantities or relations; words represent ideas or things. 7. To bring a sensation of into the mind or sensorium; to cause to be known, felt, or apprehended; to present. "Among these. Fancy next Her office holds; of all external things Which he five watchful senses represent, She forms imaginations, aery shapes." (Milton) 8. <psychology> To form or image again in consciousness, as an object of cognition or apprehension (something which was originally apprehended by direct presentation). See Presentative,3. "The general capability of knowledge necessarily requires that, besides the power of evoking out of unconsciousness one portion of our retained knowledge in preference to another, we posses the faculty of representing in consciousness what is thus evoked . . . This representative Faculty is Imagination or Phantasy." (Sir. W. Hamilton) Origin: F. Reprsenter, L. Repraesentare, repraesentatum; pref. Re- re- + preesentare to place before, present. See Present. Source: Websters Dictionary (01 Mar 1998) |
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| representative | 1. Fitted to represent; exhibiting a similitude. 2. Bearing the character or power of another; acting for another or others; as, a council representative of the people. 3. Conducted by persons chosen to represent, or act as deputies for, the people; as, a representative government. 4. Serving or fitted to present the full characters of the type of a group; typical; as, a representative genus in a family. Similar in general appearance, structure, and habits, but living in different regions; said of certain species and varieties. 5. <psychology> Giving, or existing as, a transcript of what was originally presentative knowledge; as, representative faculties; representative knowledge. See Presentative, 3 and Represent. Origin: Cf. F. Reprsentatif. Source: Websters Dictionary (01 Mar 1998) |
| repressed | Subjected to repression. (05 Mar 2000) |
| repressible enzyme | <biochemistry> In bacteria, an enzyme whose creation is inhibited when its reaction product is plentiful. (09 Oct 1997) |
| repression | The inhibition of a gene's expression, this is typically caused by the change in the activity of a regulatory protein. (09 Oct 1997) |
| repression-sensitization | Defense mechanisms involving approach and avoidance responses to threatening stimuli. The sensitizing process involves intellectualization in approaching or controlling the stimulus whereas repression involves unconscious denial in avoiding the stimulus. (12 Dec 1998) |
| repressor | A type of protein molecule that binds to DNA that shuts up transcription of a gene. See: operon or operator. (09 Oct 1997) |
| repressor gene | A gene that prevents a nonallele from being transcribed. (05 Mar 2000) |
| repressor protein | <molecular biology> A protein that binds to an operator of a gene preventing the transcription of the gene. The binding affinity of repressors for the operator may be affected by other molecules. Inducers bind to repressors and decrease their binding to the operator, while co repressors increase the binding. The paradigm of repressor proteins is the lactose repressor protein that acts on the lac operon and for which the inducers are _ galactosides such as lactose, it is a polypeptide of 360 amino acids that is active as a tetramer. Other examples are the lambda repressor protein of lambda bacteriophage that prevents the transcription of the genes required for the lytic cycle leading to lysogeny and the cro protein, also of lambda, which represses the transcription of the lambda repressor protein establishing the lytic cycle. Both of these are active as dimers and have a common structural feature the helix turn helix motif that is thought to bind to DNA with the helices fitting into adjacent major grooves. (18 Nov 1997) |
| repressor proteins | Proteins which are normally bound to the operator locus of an operon, thereby preventing transcription of the structural genes. In enzyme induction, the substrate of the inducible enzyme binds to the repressor protein, causing its release from the operator and freeing the structural genes for transcription. In enzyme repression, the end product of the enzyme sequence binds to the free repressor protein, the resulting complex then binds to the operator and prevents transcription of the structural genes. (12 Dec 1998) |
| reproachful | 1. Expressing or containing reproach; upbraiding; opprobrious; abusive. "The reproachful speeches . . . That he hath breathed in my dishonor here." (Shak) 2. Occasioning or deserving reproach; shameful; base; as, a reproachful life. Synonym: Opprobrious, contumelious, abusive, offensive, insulting, contemptuous, scornful, insolent, scurrilous, disreputable, discreditable, dishonorable, shameful, disgraceful, scandalous, base, vile, infamous. Reproach"fully, Reproach"fulness. Source: Websters Dictionary (01 Mar 1998) |
| reprobation | 1. The act of reprobating; the state of being reprobated; strong disapproval or censure. "The profligate pretenses upon which he was perpetually soliciting an increase of his disgraceful stipend are mentioned with becoming reprobation." (Jeffrey) "Set a brand of reprobation on clipped poetry and false coin." (Dryden) 2. The predestination of a certain number of the human race as reprobates, or objects of condemnation and punishment. Origin: F. Reprobation, or L. Reprobatio. Source: Websters Dictionary (01 Mar 1998) |
| reprobationer | One who believes in reprobation. See Reprobation,2. Source: Websters Dictionary (01 Mar 1998) |
| reproducibility | 1. Ability to cause to exist again or to present again. 2. The ability to duplicate measurements over long periods of time by different laboratories. (05 Mar 2000) |
| reproducibility of results | The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results. (12 Dec 1998) |
| reproduce |
----Reproduction is perhaps most commonly used in the context of biological reproduction and sex: * Sexual reproduction is a biological process by which organisms create descendants through the combination of genetic material. These organisms have two different adult sexes, male and female. New individuals are produced by the fusion of haploid gametes. Then it forms a diploid zygote. ...
Ãâó: en.wikipedia.org/wiki/Reproduce
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| replicate |
To make a copy or duplicate of something.
Ãâó: www.stjude.org/glossary
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| replacement therapy |
The administration of metabolites, co-factors or hormones that are deficient as the result of a genetic disease.
Ãâó: www.fao.org/docrep/003/X3910E/X3910E21.htm
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| replicon |
The portion of a DNA molecule which is replicable from a single origin. Plasmids and the chromosomes of bacteria, phages and other viruses usually have a single origin of replication and, in these cases, the entire DNA molecule constitutes a single replicon. Eukaryotic chromosomes have multiple internal origins and thus contain several replicons. ...
Ãâó: www.fao.org/docrep/003/X3910E/X3910E21.htm
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| repetitive DNA |
DNA sequences that are present in a genome in multiple copies, sometimes a million times or more.
Ãâó: www.fao.org/docrep/003/X3910E/X3910E21.htm
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| rep | force or drive back |
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| rep | cause to move back by force or influence |
| rep | be repellent to |
| rep | fill with distaste |
| rep | the power to repel |
| rep | a chemical substance that repels animals |
| rep | a compound with which fabrics are treated to repel water |
| rep | highly offensive |
| rep | serving or tending to repel |
| rep | the power to repel |
| rep | a chemical substance that repels animals |
| rep | a compound with which fabrics are treated to repel water |
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