Aresearcher is using a compound microscope with an eypiece magnification of 10x. he is using the high power magnification (40x) to examine the mitochondria of liver cells. how many times are the liver cells magnified? a) 4 times b) 40 times c) 400 times d) 410 times

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.