Biology: Unit 3 & 4 Review

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Across
  1. 3. idea or explanation that's based on facts, but hasn't been proven
  2. 5. Two bacterial cell exchange genetic information
  3. 7. Water moving from high to low concentration
  4. 9. to introduce killed/weakened pathogen to generate immunity
  5. 10. Random changes in DNA
  6. 11. A small structure inside a cell responsible for building proteins
  7. 13. Single-celled organisms that can reproduce by binary fission
  8. 14. Serves as the site of photosynthesis for plant cells
  9. 16. Infects host cells and uses components of host cell to replicate/reproduce
Down
  1. 1. The movement of particles from high to low concentration
  2. 2. The smallest basic unit of life
  3. 4. organism whose cells contain a nucleus and membrane-bound organelles
  4. 6. Medications designed to kill bacteria
  5. 8. Generates most of the cell's energy
  6. 12. Statement that can be proven true or false using evidence
  7. 15. An organism in which a virus resides