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The entry of a cell into M phase is initiated by _________________(a) interleukin factor(b) maturation promoting factor(c) transcription factor(d) necrosis factorI have been asked this question by my school principal while I was bunking the class.This question is from Cellular Reproduction in portion DNA Replication and Repair, Cellular Reproduction of Cell Biology

Answer»

The correct choice is (b) maturation promoting FACTOR

The explanation is: The entry of a CELL into mitotic (division or M phase) phase is initiated by the maturation promoting factor (MPF). It CONSISTS of TWO subunits – one with kinase ACTIVITY and the other with regulatory activity.



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