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Across 2. Act of DNA making copies of itself 5. illnes that causes red spots to appear and persons face 8. A disease causing agent 9. Infectious virus that causes AIDS 11. Short thick overgrowth of bacterium that allows it to attach to another bacterium 12. Protein with carbohydrate molecuels attatched 14. Virus that evolves geographically isolated area and is pathogenic to humans 16. Scientific name for the Flu 18. Term for processes that do not require oxygen. 20. Virus that infects bacteria. 22. Disease that eats at cows brain and kills it 24. Gelatinous outer layer enclosing many bacterial cell walls 25. Infectious particles composed of protein with no nucleic acid 27. Protein sheath that surrounds nucleic acid core in a virus 30. Spiral shaped bacteria 31. an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord 32. Strand of nucleic acidencased in protein coat that can infect cells and replicate within them

Down 1. Chemical compound excreted into environment by bacteria harmful to eukaryotic cells 3. Cycle in which viral genome replicates as provirus without destroying host cell 4. illness that cause head ache, nasal congestion, and soar throat 6. Temporary union of two organisms to exchange nuclear material 7. An infectious disease of dogs, cats, and other animals, transmitted to humans by the bite of an infected animal 10. One-celled organisms, spherical, spiral, or rod-shaped and appearing singly or in chains. 11. Viral DNA which inserts into host cells cromosome 13. Dormant bacterial cell enclosed by tough coating that is highly resistant to environmental stress 15. Outer layer covering many kinds of viruses 17. Cycle of viral infection; results in virus replication and cell destruction 19. Term for processes that require oxygen. 21. Chemical used as drug to kill bacteria. 23. Disease caused by infection by HIV that causes depressed immune system 26. Rod shaped bacterium. 28. Infectious disease agent in plants composed of single strand of RNA with no capsid 29. An acute, highly contagious, febrile disease, caused by the variola virus, and characterized by a pustular eruption that often leaves permanent pits or scars: