Across
- 2. enters and leaves the cell.
- 6. the orderly structure shown by living
- 13. is the diffusion of water across a selectively permeable membrane using transport proteins.
- 14. is one of the fundamental ideas of modern
- 16. contain a nucleus and other
- 18. are specialized structures that perform specific cell functions.
- 19. the basic structural and functional unit of all living organisms
- 20. are short, numerous projections that look like hair and that move in tandem, like oars
- 21. concentration to an area of lower concentration.
- 23. organelles.
- 24. membrane.
- 26. are macarbon,nitrogen,oxygen,hydrogen,and sometimes sulfur.
Down
- 1. uses transport proteins to move ions and small molecules across the plasma membrane.\
- 3. do not have a nucleus or other
- 4. a special boundary that helps control
- 5. are longer and less numerous than cilia.They
- 7. move substances and wastes through
- 8. the net movement of particles from an area of
- 9. electric charge
- 10. molecules continue to move, but the concentration remains the same.
- 11. the first and longest stage of
- 12. the second stage of mitosis
- 15. is the distinct central organelle that contains the cell’s genetic material.
- 17. are macromolecules that transmit and store genetic information.
- 22. with a whip-like motion.
- 25. an atom or group of atoms with a positive or
- 27. a rowboat.