Antimicrobial Treatment (Chapter 10)

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Across
  1. 2. A bacterial system that can cut DNA and may be used to remove resistance genes.
  2. 5. The smallest amount of a drug needed to stop visible bacterial growth
  3. 7. A substance that kills or slows down the growth of microorganisms like bacteria, viruses, fungi, or parasites.
  4. 8. A lab sample that contains only one type of microorganism
  5. 10. Enzymes from bacteriophages that break open and kill bacteria.
  6. 11. The process bacteria use to make folic acid, which they need to build DNA.
  7. 12. A lab test where antibiotic discs are placed on bacteria-covered agar to see which drug works best.
  8. 13. A virus that infects and kills bacteria
  9. 15. When microorganisms adapt and are no longer affected by a drug that used to kill them.
Down
  1. 1. A change in DNA that can sometimes make bacteria resistant to antibiotics
  2. 3. When a drug harms the microorganism but does NOT harm the human host
  3. 4. A molecule found in bacterial cell walls that gives the cell structure and strength.
  4. 6. The ratio between a drug’s toxic dose and its effective dose. A higher TI means the drug is safer.
  5. 9. A type of antimicrobial drug that specifically kills or inhibits bacteria.
  6. 14. A jelly-like substance used in Petri dishes to grow bacteria.