Across
- 1. a sac within the cytoplasm that stores materials
- 4. cells cannot function without adequate water
- 6. basic unit of structure and function of living things
- 9. energy rich organic compounds
- 10. very large organic molecules
- 11. smallest unit of most compounds
- 12. the ability to make things look larger than they are
- 13. process by which all molecules move faster
- 15. means that some substances can pass but others cant
- 17. layer of nonliving material that surrounds cells
- 19. movement of materials through a cell
- 21. explanation of relationship between cells and living things
- 22. movement of a cell using energy
- 25. light microscope with more than 1 lens
- 27. region between the cells membrane and nucleus
- 28. factories that produce proteins
- 30. also called "powerhouses"
- 32. structure that controls which substances can enter or leave
- 34. in animal cells breaking down food particles and wornout cell parts
- 35. genetic material that carries info
- 36. directs all cells activities, incl. reproduction
Down
- 2. make up protein molecules
- 3. large organic molecules made of carbon
- 5. protein that speeds up a chemical reaction
- 6. when 2 or more elements combine chemically
- 7. an instrument that makes small things look larger
- 8. does not contain carbon
- 14. tiny cell structure that carries out specific function within the cell
- 16. passageways that carry materials from one part of cell to another
- 17. an energy rich organic compound
- 18. to clearly distinguish the parts of an object
- 20. found in cytoplasm, as well as in nucleus
- 23. smallest unit of an element
- 24. receives materials and sends them to other parts of cell
- 26. compound that contains carbon
- 27. material in cells containing DNA and carries genetic info
- 29. a curved lens with a thin center and thick edges
- 31. produce food for the cell
- 33. any substance that cannot be broken down