Virology Crossword

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Across
  1. 2. A tiny, nonliving particle that invades and then reproduces inside a living cell
  2. 5. A virus that infects bacteria; also called a phage
  3. 9. Transcriptase: A polymerase that catalyzes the formation of DNA using RNA as a template
  4. 10. Cycle: A viral reproductive cycle in which the viral DNA is added to the host cell's DNA and is copied along with the host cell's DNA
Down
  1. 1. An RNA virus that reproduces by transcribing its RNA into DNA and then inserting the DNA into a cellular chromosome; an important class of cancer-causing viruses
  2. 3. Phage DNA that has inserted into the DNA of a prokaryotic chromosome
  3. 4. Viral DNA that inserts into a host genome
  4. 6. A viral reproductive cycle in which copies of a virus are made within a host cell, which then bursts open, releasing new viruses
  5. 7. Viruses: A virus that has appeared suddenly or has recently come to the attention of medical scientists
  6. 8. An infectious form of protein that may multiply by converting related proteins to more prions