1. Quel est le principal rôle de la coiffe en 5' sur l'ARN pré-messager ?
2. Quelle est la principale fonction de la coiffe 5' dans la maturation de l'ARN pré-messager ?
3. Quelle étape est responsable de l'élimination des introns dans l'ARN pré-messager ?
Maturation de l'ARN — étape clé ?
Coiffe, poly-A, splicing
Maturation de l'ARN — local?
Dans le noyau eucaryote.
Coiffe 5' — rôle ?
Protection et facilitation de la traduction
Coiffe 5' — rôle?
Protège l'ARN, facilite la traduction.
Spliceosome — composition ?
SnRNPs
Queue poly-A — rôle?
Stabilise l'ARNm, facilite export.
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