Across
- 2. A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level
- 5. Control center of the cell
- 8. Found inside the nucleus and produces ribosomes
- 10. A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
- 11. A unicellular organism that lacks a nucleus and membrane bound organelles
- 12. Pressure that a fluid exerts against a structure that contains it
- 14. idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells
- 15. An organelle containing digestive enzymes
- 17. A system of membranes that modifies and packages proteins for export by the cell
- 18. A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.
- 19. Process in which cells become specialized in structure and function
Down
- 1. Powerhouse of the cell, organelle that is the site of ATP (energy) production
- 3. The adaptation of an organism or organ to a special function or environment
- 4. A cell structure that controls which substances can enter or leave the cell. Also known as the Plasma Membrane
- 6. A cell that contains a nucleus and membrane bound organelles
- 7. Cell organelle that stores materials such as water, salts, proteins, and carbohydrates
- 9. A phenomenon in walled cells in which the cytoplasm shrivels and the plasma membrane pulls away from the cell wall; occurs when the cell loses water to a hypertonic environment.
- 13. Cytoplasmic organelles at which proteins are synthesized.
- 14. An organelle found in plant and algae cells where photosynthesis occurs
- 16. A tiny cell structure that carries out a specific function within the cell