Which combination of features is found in most plant and animal cells? #1 cytoplasm, mitochondria, ribosomes #2 rough endoplasmic reticulum, nucleus, centrioles #3 plastids, cytoplasm, nucleus #4 plasma membrane, lysosome, golgi apparatus

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.