In the lab experiment, the semipermeable membrane you will use is dialysis tubing, shown above with a solution inside. Which part of a cell is the dialysis tubing most similar to?

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.