How did Griffith help build our understanding of genetics?
O
A. He showed that viruses do not contain DNA.
O
B. He showed that only humans contain DNA.
O
c. He showed that cells contain a transforming factor.
O
D. He showed that traits cannot be inherited.

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls