What happens during the s phase of the cell cycle?

the cell doubles in size.
the cell copies its dna.
the cell copies its organelles.
the cell makes daughter cells

5. what might happen if you were to remove all light from the setup after the discs have all become buoyant? describe what you would see. explain why this would occur with relation to cellular processes like respiration. [referring to an ap biology lab in which spinach discs are placed in a sodium bicarbonate solution and exposed to light.]