Micro Unit 1 Exam

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Across
  1. 2. smallest unit of matter
  2. 4. living cells arise only from preexisting living cells
  3. 8. a group of microbes that live in and on the human body
  4. 11. chemicals produced by bacteria and fungi that inhibit or kill microbes
  5. 12. negatively charged
  6. 13. matching characteristics of unknown organisms to known organisms
  7. 17. placing organisms in groups of related species
  8. 18. the study of parasitic worms and protozoa
  9. 19. the study of the evolutionary history of organisms
  10. 20. the study of viruses
  11. 21. positively charged
  12. 22. the science of classifying organisms
Down
  1. 1. the application of high heat for a short time to kill harmful bacteria in beverages
  2. 3. the ability of the body to ward off disease
  3. 5. the study of an organisms genes
  4. 6. treatment of disease with chemicals
  5. 7. microbial conversion of sugars to alcohol in the presence of air
  6. 9. the study of immunity
  7. 10. organism that is too small to be seen with an unaided eye
  8. 14. the study of bacteria
  9. 15. neutral charge
  10. 16. the study of fungi