Across
- 4. Internal membrane syste mfound in eukaryotic cells.
- 6. The center of an atom which contains the protons and neutrons
- 7. Flexible double-layered sheet that makes up the cell membrane
- 9. Thin, flexible barrier that surrounds all cells, regulates what enters and leaves the cell
- 10. Property of biological membranes that allows some substances to pass across it while others cannot
- 12. Cell organelle that converts the chemical energy stored in food
- 14. Basic unit of all forms of life
- 16. ell organelle that breaks down lipids, carbohydrates, and proteins into small molecules that can be usedby thre rest of the cell.
- 18. Unicellular organism that lcks a nucleus
- 19. Cell organelle consisting of RNA and protein found throughout the cytoplasm in a cell
Down
- 1. Organelle in cells that modifies,sorts, and packages protien and other material from the endoplasmic reticulum for storage in the cell.
- 2. Strong, supporting layer around the cell membrane in some cells
- 3. Network of protien filaments in a eukaryotic cell that gives the cell its shape and internal organization and is involved in movement
- 5. Organelle found in cells of plants and some other organisms that captures the energy from sunlight
- 8. Fundamental concept of biology that states that all living things are composed of cells
- 11. Cell organelle that sotrea s materials such as water, salts,protein, and carbohydrates
- 13. Specailized structure that performs important cellular functions iwhtin a cell
- 15. Organism whose cells contain a nucleus
- 17. In eukaryotic cells, all cellucal contents outside the nucleus