Across
- 4. Also known as the powerhouse of the cell, it breaks down food and releases energy (ATP)
- 5. controls what goes in and out of the cell
- 7. a tissue or molecule in the cell membrane that can sense external things and sends signals to the nerve
- 11. Does not have a nucleus, simple
- 13. contributes to cell division
- 14. 3 parts of the theory: organisms are made up of one or more cell, the basic unit of life, cells come from preexisting cells
- 15. packaging for the materials that are being transported
- 17. maintains the cell's shape
- 18. an organelle that store food and water
- 19. Synthesizes enzymes for respiration. Smooth ER does not have ribosomes attached and rough do,
Down
- 1. Transports proteins
- 2. Takes waste out of the cell
- 3. an organelle synthesizes protein, made up of RNA and protein
- 5. helps cells maintain their shape and internal organization, and is involved in cell movement
- 6. a type of fat that contains phosphorus
- 8. a substructure that has a special function in the cell
- 9. The gooey substance that holds the organelles in a cell
- 10. an organelle that controls activities within the cell, also known as the brain of the cell, contains DNA
- 12. part of the cell membrane that allows certain molecules to go in or out of the cell
- 16. Has a true nucleus, complex
