D. her hormone levels decline. Suppose Hershey and Chase had found both radioactive sulfur and radioactive phosphate inside their bacterial host cells. D. the entire virus stayed outside the cell. The triplet codons in the base sequences. The sugar-phosphate groups in the backbone.
Chemical analysis reveals that chromosomes are about half DNA and half protein.
D. synthesize proteins in vitro. D. contains thymine. D. a protein 40. D. replacing defective genes in fetuses. D. protein synthesizers.