Question

what step in the cell cycle represent irreversible commitment

Answer 1

Cell cycle–the existence of a cell from the moment of its formation in the process of dividing the mother cell to its own division (including this division) or death.The cell cycle consists of interphase and mitosis (cell division).

As well

Under cellular aging, scientists understand the irreversible blocking of the cell cycle after a number of divisions, a decrease in the level of metabolism and energy exchange.