What is the process by which plant roots absorb ammonium ions and nitrate ions for use in making molecules such as dna, amino acids, and proteins?

What advantages does a pedigree have over a written passage?

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called

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.