Cell division is necessary for an organism to

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Plz ! ive been stuck on this forever

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water