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Across 2. protects and supports the cell; located outside of the cell membrane 5. substance can pass through a membrane 7. stores the sun’s energy as glucose; makes light 15. division of the cytoplasm 16. for a liquid - "cell drinking" 18. the process through which cells convert fuel into energy and nutrients 20. powerhouse of the cell; stores and releases energy (ATP) for the cell 22. known as fats and oils 23. stage two of mitosis; sister chromatids line up across the center of the cell 24. substance can NOT pass through a membrane 25. stage one of mitosis; nucleolus and nuclear membrane break up and disappear 26. the ratio of the mass or volume of a substance to the mass or volume of the solution 27. uses digestive enzymes to break down food and waste; "recycling crew" 29. large molecules moving out of a cell (exo = exit) 30. helps in cell division and always found in pairs 31. a molecule present in all living cells and contains the information that determines the traits that a living thing inherits and needs to live 32. makes protein and is attached to the E.R. or free floating

Down 1. packages materials into and out of the cell 3. large molecules brought into a cell (endo = enter) 4. gel-like substance that fills the cell; dissolves materials and supports organelles 5. a protein that allows the transport of specific substances across a cell membrane 6. movement/transport of cells through membranes; includes diffusion and osmosis 7. for a solid - "cell eating" 8. command center or brain that controls all cell processes 9. stage four of mitosis; chromosomes begin to stretch out and become chromatin again 10. structural components used for transportation; made of amino acids 11. transports materials inside of the cell 12. a complex of proteins associated with the centromere of a chromosome during cell division 13. small structure in the nucleus that is made up of DNA and protein 14. refers to an organism made up of two or more cells 17. a structure that holds two chromatids together 18. surrounds the cell and allows materials to pass into and out of the cell 19. refers to an organism made up of one cell 21. stage three of mitosis; chromosomes begin to move to opposite poles of the cell as spindle fibers begin to pull them apart 28. the process of cell division