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Across 2. The movement of molecules from an area of high concentration to an area of low concentration 3. Organelle that stores water, wastes and other materials 5. jelly-like substance in a cell that contains the organelles 6. Organisms that are composed of more than one cell 8. organic compounds that contain carbon, hydrogen and oxygen 9. protective layer of cells that controls what goes in and out a cell 13. Cells that have organized nucleus and membrane bound organelles 15. basic unit of structure and function in all living organisms 17. Simple cells that do not have an organized nucleus 18. Small organ-like structures that make up cells and performs specific functions 19. Organelle that controls all of the cells activities and contains chromosomes 20. Anything living

Down 1. Organisms that are composed of only one cell 4. green pigment in plant cells that traps light for photosynthesis 7. Organic compound that contain carbon, hydrogen, and oxygen 10. A substance that can not be broken down into any other substance by chemical or physical means 11. smallest unit of a substance that still has properties of that substance 12. rigid outer layer of plant cells that provide shape, protection and support 14. element found in all organic compounds 16. a substance made of two or more elements chemically combined in a set ratio