Biology Semester Review

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Across
  1. 1. a cell in this solution with lose water
  2. 4. a disease resulting from uncontrolled cell division
  3. 6. the movement of water across a cell membrane
  4. 9. organelle where photosynthesis takes place
  5. 10. a reactant of photosynthesis
  6. 12. a relationship in which one organism benefits but the other is not harmed
  7. 14. organelle where cell respiration takes place
  8. 17. the first phase of mitosis
  9. 21. a type of cell without a nucleus
  10. 22. the division of the nucleus
  11. 23. a relationship in which both organisms benefit
Down
  1. 2. a relationship in which one organism eats another
  2. 3. humans have 46 of these in diploid cells
  3. 5. a relationship in which one organism benefits and the other is harmed
  4. 7. a type of organism that gets energy from sunlight
  5. 8. the longest part of the cell cycle, made up of G1, S, and G2
  6. 9. the division of the cell, after mitosis
  7. 11. a type of lipid that makes up the cell membrane
  8. 13. the phase of mitosis when chromosomes line up along the middle of the cell
  9. 15. the monomer of nucleic acids
  10. 16. the monomer of a protein
  11. 18. a type of cell having a nucleus
  12. 19. a reactant of aerobic respiration
  13. 20. a monomer of a carbohydrate