Mitosis is just one small part of the cell cycle. What would occur if cells were in mitosis more than they were in interphase? They would grow and duplicate too rapidly. ... When a cell seperate incorrectly so you don't get the right number of chromosomes.
The spiral usually begins with an increase in demand. The direct effect of this increase is that the producers (of commodities) raise prices to continue to make a profit. It usually begins with a rise in production costs.