Which of the following wrap around neurons and speed up signals

What goes in and out of a cell respiration?

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?

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.