Which of the following thickening agents is a microbial polysaccharide? Agar Xanthan gum Pectin Guar gum... 100 points

Amolecule of one atom of carbon and two atoms of oxygen would be written oco? осо, o co2 o 200

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.

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine