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Quelles sont les 2 propositions exactes ?A. L'intensité de la coloration d'une suspension cellulaire marquée à l'acridine orange est proportionnelle à la quantité d'ADN dans la cellule.B. L'analyse par cytofluorométrie de flux d'une suspension cellulaire marquée à l'acridine orange permet d'établir une courbe du nombre de cellules en fonction de la quantité d'ADN par cellule où l'on distingue trois populations cellulaires, l'une à 2n ADN, l'une à 4n ADN et la dernière avec une quantité intermédiaire entre 2n et 4n.C. La bromodésoxyuridine (BrdU) est un analogue synthétique de la cytidine permettant, après son intégration dans l'ADN, un marquage à l'aide d'un anticorps anti-BrdU.D. L'index mitotique se calcule en divisant le nombre total de cellules par le nombre de cellules en mitose.E. Autre réponse

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