Travel Safety

123456789101112131415161718192021222324252627
Across
  1. 8. A type of single-stranded RNA involved in protein synthesis
  2. 11. Substances added to food to preserve flavour or enhance taste or appearance
  3. 13. Is a chemical that organisms need to live or grow and must be obtained through diet
  4. 14. The use of scientific techniques to improve or modify plants, animals and microorganisms
  5. 15. The item that transfers the pathogen to its host.
  6. 16. A widespread occurrence of an infectious disease in a community at a particular time
  7. 18. An area where a disease is regularly occurring is known as a _______
  8. 20. The process of taking in food
  9. 22. The study of what causes a disease
  10. 24. An infectious agent (germ) that causes disease or illness in a host.
  11. 25. Any organism that has a negative affect on another organism with which it has close contact
  12. 26. A very simple microorganism that infects cells and may cause disease.
  13. 27. Small single celled organisms
Down
  1. 1. The study of the factors affecting the health of populations
  2. 2. The passing of disease from an infected individual to unaffected individuals (can be direct or indirect)
  3. 3. A term for a number of diseases that affect memory, thinking, and even the abilities to perform daily activities
  4. 4. The process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA)
  5. 5. The taking in of nutrients through cells
  6. 6. The process of removing an leftover waste
  7. 7. A substance that is used to stimulate the bodies immunity to a particular pathogen or disease
  8. 9. A type of illness transmitted through pathogenic microbes inhaled or breathed in from the air
  9. 10. Some common symptoms that can arise from this type of pathogen/disease include skin changes (e.g. lesions, itching, hair loss)
  10. 12. The process of breaking food down into nutrients
  11. 17. Illness caused by saliva or other bodily fluids from an infected person
  12. 19. Made up by a double stranded helix
  13. 21. The process by which a cell makes proteins using the genetic information carried in messenger RNA (mRNA)
  14. 22. Proteins that help speed up chemical reactions in our bodies
  15. 23. A sudden increase in numbers or a harmful organism that is causing people to become ill
  16. 24. A widespread occurrence of an infectious disease over a whole country or the world at a particular time