The spherical object within a cell that controls its activity is the

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

All eukaryotic cells contain small bodies called

The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)