Cold Spring Harbor Laboratory
Dna From the Beginning: Bacteria and Viruses Have Dna Too.
Bacterial conjugation and experiments with viruses indicated that they must also contain DNA. This multimedia article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on...
National Science Foundation
National Science Foundation: How Do Viruses Attack Cells?
Read about new studies in biotechnology that focus on engineering viruses for the purpose of seeking out and destroying specific cells or discovering new genes or drugs.