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Across 6. region with the membrane that includes the fluid, the cytoskeleton, and all of the organelles except nucleus 8. found in plants or algae cells where photosynthesis occurs 11. lipid that contains phosphorus and that is a structural component in cell membranes 12. focuses a beam of electrons to magnify objects 14. organism made up of cells that have a nucleus enclosed by a membrane 15. site of cellular respiration, which produces ATP 19. phospholipid layer that covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment 20. hairlike structure arranged in tightly packed rows that projects from the surface of some cells 21. long, hairlike structure that grows out of a cell and enables the cell to move 22. small bodies that are found in the cytoplasm of a cell; specialized to perform a specific function 23. organelle containing digestive organelles 24. large cavity or sac found in plant cells or protozoans; contain air or partially digested food

Down 1. membranes found in cell's cytoplasm and assists in the production, processing, and transport of proteins and production of lipids 2. produces an enlarged, 3-D image of an object by using a beam of electrons 3. composed of RNA and protein; site of protein synthesis 4. membrane-bound organelle that contains the cell's DNA and that has a role in processes such as growth 5. helps make and package materials to be transported out of the cell 7. the ability to form images with fine detail 8. states that all living things are made up of cells, cells are the basic unit of life, and cells come only from existing cells 9. increase in an object's apparent size by using lenses or mirrors 10. network of protein filaments that plays an essential role in cell movement, shape, and division 13. uses a beam of light passing through one or more lenses to magnify an object 16. sac formed when part of cell membrane surrounds that materials to be taken out of the cell or transported into the cell 17. organism that consists of a single cell that does not have a nucleus or organelles 18. rigid structure that surrounds the cell membrane and provides support to the cell