The situations in which cells would most likely receive signals instructing them to enter the M phase of the cell cycle are:
Cell division is the process whereby living cells duplicate themselves to produce identical copies of themselves.
During the cell cycle, the cell replicates itself in the S-phase of the interphase stage before proceeding to the M phase where the actual division occurs.
Therefore, the situations in which cells would most likely receive signals instructing them to enter the M phase of the cell cycle are:
Learn more about cell division at: https://brainly.com/question/13923224