Disease

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Across
  1. 1. a class of diseases that are easily passed from person to person
  2. 3. a class of diseases that cannot be passed from person to person
  3. 4. a disease affects the global population
  4. 8. the transmission of disease either directly or indirectly
  5. 10. ribonucleic acid, a nucleic acid present in all living cells. Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins.
  6. 13. a chemical liquid that destroys bacteria
  7. 15. a very small particle that contains proteins and hereditary material
  8. 17. eukaryotic,non-photosynthetic organisms
  9. 18. a chemical substance that has a negative effect on the body by inhabiting normal body functions
  10. 19. an individual who is infected with a disease
  11. 20. a self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
Down
  1. 2. a type of prokaryotic unicellular microorganism
  2. 5. a solution that contains weakened virus particles
  3. 6. a substance used to kill or slow the growth of microbes
  4. 7. any organism that has a harmful relationship with a host organism
  5. 8. the protein coat that surroundes the DNA or RNA of a virus
  6. 9. a widespread occurrence of an infectious disease in a community at a particular time
  7. 11. a condition where an organism experiences impaired function
  8. 12. any factor other than a human who can spread disease
  9. 14. the body's response to a disease
  10. 16. soap that kills microbes