Across
- 2. type of solution that allows the cell to remain the same size
- 4. outer boundary of all cells
- 9. building block of carbohydrates
- 11. type of transport that does not require energy
- 13. the study of life
- 14. what is found at the top of a graph or data table
- 17. the interior of all cells
- 19. the maintenance of a stable internal environment
- 22. variable measured in an experiment
- 23. type of protein that speeds up chemical reactions
- 24. the movement of substances from high to low concentration
- 25. building block of nucleic acid
- 27. type of cell with no nucleus
- 29. variable changed by scientist
- 31. basic unit of structure of the cell membrane
- 32. term used for molecules that have an unequal distribution of charges
- 33. the movement of water across a selectively permeable membrane
Down
- 1. cell structure responsible for making proteins
- 3. group in an experiment that receives no treatment
- 5. organelle responsible for carrying out cellular respiration
- 6. type of active transport that releases substances to the outside of the cell
- 7. type of active transport that engulfs substances and bring them into the cell
- 8. variables in an experiment that are kept the same
- 10. type of transport that requires energy
- 12. building block of a protein
- 15. possible explanation for a set of observations
- 16. type of solution that causes a cell to shrink
- 18. common ending to an enzyme name
- 20. common ending to a sugar name
- 21. the basic unit of life
- 26. type of cell with a nucleus and organelles
- 28. type of solution that causes a cell to swell
- 30. organelle responsible for carrying out photosynthesis