3rd trimester

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Across
  1. 2. – Substances that help the body build protection against diseases
  2. 3. – When viruses transfer DNA between bacteria
  3. 5. fission – Process by which one cell splits into two identical cells
  4. 6. – Microbes that can live in extreme environments
  5. 8. cell – Immune cell that remembers a pathogen for faster response next time
  6. 9. – Round-shaped bacterium
  7. 10. – Molecules on pathogens that trigger an immune response
  8. 12. – When bacteria take in DNA from their surroundings
  9. 14. – Medicines that kill or stop the growth of bacteria
  10. 15. – A summary of what was learned from an experiment
  11. 16. – Rod-shaped bacterium
  12. 17. – The steps or procedures used in an experiment
  13. 18. – An educated guess that can be tested
Down
  1. 1. – Tiny living things seen only with a microscope
  2. 4. – Spiral-shaped bacterium
  3. 5. – Single-celled organisms without a nucleus
  4. 7. – A molecule made of sugar and protein found on virus surfaces
  5. 11. – The cell that a virus infects to reproduce
  6. 13. – When bacteria exchange DNA through a bridge-like connection