Quantum redactiones paginae "Proteina" differant

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[[Fasciculus:ProteinStructures.png|thumb|Quattuor structurae proteinorum: structura primaria, secundaria (vel lamina vel helix), tertiaria, quaternaria.]]
'''Proteinum'''<ref name="NH">Federative International Committee on Anatomical Terminology (FICAT) (2005). ''Terminologia Histologica. International terms for human cytology and histology.'' Philadelphia/Baltimore/New York/London/Buenos Aires/Hong Kong/Sydney/Tokyo: Wolter Kluwers-Lippincott Williams & Wilkins.</ref> vel '''polypeptidum''' est quodlibet exe permultis [[compositum chemicum|compositis]] [[organismus|organicis]] [[molecula]]rum [[polymerum|polymericarum]] [[acidum aminicum|acidorum aminicorum]] (F.Ch.: H3N-CH-COO-) modo quinquaginta (et plura quaelibet) [[vinculum peptidicum|vinculis peptidicis]] confectis. <!--ex en: arranged in a linear chain and folded into a globular form.-->
 
Vinculum peptidicum oritur, cum radicalis [[hydrogenium|hydrogenicus]] aminicus (-H) se radicali [[hydroxidum|hydroxyllico]] (OH) [[aqua]]m excludens iungit; vide figuram infra.
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R H
 
Proteina in [[cellula|cellulis]] duobus muneribus (structuralibus agentibusve catalyticis) funguntur. Quamobrem maxime necessaria sunt proteina vitae. Varietas proteinorum est ex ordine radicalium aminicorum in catena peptidica, et quantitate uniuscuiusque horum radicalium. Ergo, omnis cellula suo [[RNA]] et [[DNA]] utitur ut bene suas res gerat et DNA duplicationis vi se perpetuet.
 
==De origine nominis==
''Proteinum'' est forma Latina deducta ex vocabulo Francogallico ''protéine'' a [[Gerardus Johannes Mulder|G. J. Mulder]] ficto. Praecepit enim Mulder [[Lingua Graeca|Graecum]] adiectivum, q.e. {{Polytonic|πρωτεῖος}} 'primarius', huic vocabulo subesse.<ref>''Bulletin des sciences physiques en Néerlande'' 1838: 111.</ref>
 
==Notae==
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{{NexInt}}
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*[[Anticorpus]]
*[[Apparatus Golgianus]]
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*[[Vitaminum]]
*[[DNA]] et [[RNA]]
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==Notae==
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[[Categoria:Biochemia]]
[[Categoria:Biologia molecularis]]
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{{Myrias|Biologia}}