(04.02 LC) Based on the cell theory, which of the following is true? (5 points)
All living and nonliving things are made of cells.
All cells are too small to be seen with the naked eye.
Small organisms have smaller cells than large organisms.
Large organisms have more cells than small organisms.

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.