Across
- 3. the special, normal, or proper activity of an organ or part
- 4. where genetic material is stored and controls the cells growth and reproduction
- 7. protective, flexible barrier that controls what goes in and out of the cell
- 10. a cell without a nucleus
- 11. processes and transports proteins and makes lipids
- 12. structures within a cell that have special unctions to keep working
- 14. rigid structure that surrounds the cell membrane in plant cells; provides structure and support
- 16. one of the structures in the nucleus that are made up of DNA and protein
- 19. deoxyribonucleic acid, a molecules that is present in all living cells and that contains info that determines traits
- 20. a system of ideas that explains many related observations and is supported by a body of evidence acquired by scientific investigation
- 21. cells with a nucleus
Down
- 1. describes the basic characteristics of all cells and organisms
- 2. the arrangement of parts in an organism
- 5. an organelle found in plant and algae cells where photosynthesis occurs
- 6. a fluid-filled vesicle that contains food, water, and waste. Plant cells have a large central vacuole that stores water
- 8. gel-like liquid inside a cell; helps cell maintain shape and is about 80% water
- 9. the smallest functional and structural unit of living things
- 13. packages and distributes materials within or out of the cell
- 15. produces enzymes that digest wastes, cell parts, and foreign invaders
- 17. makes protein
- 18. the site of cellular respiration, which releases energy for use by the cell