Instructions:
Launch study.
Allow it to play until the descriptions disappear.
Roll over the rectangles to retrieve information.
Roll over the cell components to make comparisons.
Click on the 'interphase' cell to play the animation.
Roll over the top of the screen to increase its size.
Roll over the bottom of the screen to decrease its size.
Click and drag animation to improve its clarity.
Click on components to turn their highlights on and off.
Click the square and arrow to stop and start the animation.