Select the Characteristics That Are True of Restriction Points

Multiple Choice

Select the characteristics that are true of restriction points.Check all that apply.

A) An example is the boundary between G₁ and S phase.
B) In many cases molecular changes must be present at this point for the cell to continue through the cell cycle.
C) Cells passing this point are committed to the next stage of the cell cycle.
D) Cells passing this point can reverse to an earlier phase of the cell cycle.