Topic 3: Infection and Response

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Across
  1. 4. disease caused by a virus that shows symptoms of a fever and a red skin rash
  2. 5. medicines that help to cure bacterial disease
  3. 8. dead or inactive pathogens injected into the body to stimulate white blood cells to produce antibodies
  4. 9. antibodies produced from a single clone of cells that are specific to one binding site on an antigen
  5. 12. STD caused by bacteria with symptoms of thick discoloured discharge and pain on urinating
  6. 13. microorganisms that cause infections
  7. 15. study where neither the researcher or patient know who is taking the drug or placebo
  8. 20. drug testing done in a lab using cells,tissues and animals
  9. 21. organisms that are usually single-celled and can only be seen using a microscope
  10. 24. drug used in a trial that has no impact on the patient
  11. 25. a change in the genetic material of an organism
Down
  1. 1. disease caused by a protist that causes episodes of fevers and can be fatal
  2. 2. that are much smaller than bacteria and can only reproduce inside living cells of other organisms
  3. 3. reproduction by simple cell division
  4. 6. mosaic virus widespread plant pathogen producing a mosaic pattern on leaves limiting plant growth
  5. 7. the yellowing seen on the leaves of plants when they cannot make chlorophyll due to a lack of magnesium ions
  6. 10. type of cell that makes up the immune system and produces antibodies and antitoxins
  7. 11. insects that penetrate the plant phloem and feed on the dissolved food. They act as plant pathogens and are also vectors that carry pathogenic viruses, bacteria, and fungi into healthy plant tissue
  8. 14. fungal disease where purple or black spots develop on leaves which often turn yellow and drop early
  9. 16. cells created during the production of monoclonal antibodies by the fusion of an antibody-specific lymphocyte and a tumour cell
  10. 17. drug testing done on healthy human volunteers and patients
  11. 18. bacterial disease spread by bacteria ingested in food causing fever, cramps, vomiting and diarrhoea
  12. 19. human immunodeficiency virus that weakens the immune system and can lead to AIDS
  13. 22. physical and chemical barriers that defend the body from pathogens
  14. 23. additional effects of a drug that are unexpected