Gaois

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  1. SCIENCE|natural and applied sciences|life sciences|biology

    #622656

    IATE #1221731
    dara teachtaire Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    sekundärer Botenstoff
    de
    second messenger
    en
    Definition any small readily diffusible intracellular mediator, whose concentration inside the cell changes rapidly on receptor activation, and which thus regulates the activity of other target signalling molecules Reference "COM-Terminology Coordination, based on:Kimball's Biology Pages, Second Messengers (27.4.2020)"
    Comment The term second messenger was coined upon the discovery of these substances in order to distinguish them from hormones and other molecules that function outside the cell as “first messengers” in the transmission of biological information. Many second messenger molecules are small and therefore diffuse rapidly through the cytoplasm, enabling information to move quickly throughout the cell.
    second messager
    fr
    Definition composé qui transmet les signaux extracellulaires à l'intérieur des cellules Reference Pour la Science,n° 161,mars 1991
  2. SCIENCE|natural and applied sciences|life sciences|biology · SCIENCE|natural and applied sciences|life sciences

    #617554

    IATE #1073360
    teachtaire RNA Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    mRNA Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    mRNA aibí Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    teachtaire RNA aibí Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Messenger-RNA | Matrizen-RNA | Boten-RNA | m-RNA | m-RNS | definitive Messenger-RNA
    de
    messenger RNA | mRNA | mature messenger RNA | mature mRNA
    en
    Definition "single-stranded RNA which contains only exons and is complementary to one of the DNA strands of a protein-coding gene" Reference "COM-Terminology Coordination, based on:1) Biology Online. 'Mature mRNA' (25.5.2020)2) Michael Greenwood. 'What are Introns and Exons?' (25.5.2020) News-Medical Life Sciences.3) Clancy, S. (2008) 'RNA splicing: introns, exons and spliceosome' (25.5.2020). Nature Education 1(1):314) Lawrence C. Brody. Messenger RNA (mRNA) (25.5.2020). National Human Genome Research Institute"
    Comment For most eukaryotic genes (and some prokaryotic ones), the initial RNA that is transcribed from a gene's DNA template must be processed before it becomes a mature messenger RNA (mRNA) that can direct the synthesis of protein.
    ARN messager | ARNm | ARN messager définitif | ARN messager mature
    fr
    Definition 1) L'ARN messager ne contient que quatre bases: A, G, C, U. Il est synthétisé dans le noyau au moment de la transcription, au cours de laquelle la séquence en bases d'un des brins d'ADN est transcrite en un brin unique d'ARNm. Les bases de celui-ci sont complémentaires de celles du brin d'ADN transcrit. L'ARN messager passe ensuite dans les ribosomes où il contrôle la mise en place des aminoacides au cours de la synthèse des protéines 2) ARN messager obtenu après excision-ligature de l'ARN prémessager:sa séquence est intégralement traductible en une protéine Reference Lehninger,p.316