Bacteria & Viruses Crossword
Across
- 2. using virus's to infiltrate cells and insert healthy genes
- 3. An organism that something else lives on or in
- 4. Oldest bacteria; they are often found in thermal vents and volcanoes
- 7. Not all viruses have this, it protects the genetic information
- 12. Kills bacteria
- 13. "Chain"
- 14. A one-celled prokaryote
- 18. Often found in sunny places, bacteria of this type use photosynthesis for their energy.
- 21. Spiral-shaped
- 23. When a virus's DNA and proteins are copied to create new viruses
- 25. Examples are DNA & RNA
- 27. Rod-shaped
- 28. These proteins mimic the nutrients that a cell needs to survive
- 29. The process of RNA "reading DNA
Down
- 1. Give off methane as a byproduct and are often found in the bottoms of lakes, swamps, and the digestive system
- 3. Bacteria of this type must consume waste to create their energy
- 5. The outer protein coating of a virus, it disintegrates once a virus has infiltrated the cell
- 6. When a retrovirus's RNA is turned into DNA so that it may then be read by the cells's RNA
- 8. A classification of anaerobic bacteria that can survive extremely harsh conditions
- 9. Called true bacteria, they are the only bacteria that cause disease
- 10. "Salt-loving" bacteria with a special protective membrane
- 11. Not quite alive, these strands of nucleic acid have no cell or membrane. They must reproduce in a host.
- 15. A beneficial relationship for both parties
- 16. "Clusters"
- 17. "Pair"
- 19. Something that is harmful to its host
- 20. These are viral proteins that mimic the proteins that a cell needs to survive
- 22. Rather than mitosis or meiosis, a bacterium divides by replicating DNA, elongating and then splitting
- 23. This nucleic acid "reads" DNA, allows information to be transmitted
- 24. This nucleic acid codes for the proteins that a cell needs to live
- 26. Spherical-shaped