Cell Structures and Functions

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Across
  1. 2. Form of DNA during most of a cell's existence
  2. 3. Organelle that breaks down wastes and old cell parts mainly in animal cells
  3. 6. Modifies and sorts materials and packages them into secretory vesicles for export from the cell
  4. 11. The cell membrane allows only certain substances to pass; it is selectively ______
  5. 12. Openings where copies of DNA (mRNA) and ribosomes exit the nucleus
  6. 14. Stores water nutrients and waste and is large in plant cells
  7. 16. Cell with a nucleus and membrane-bound organelles
  8. 18. Organelle that breaks down glucose to produce ATP energy
  9. 20. Structures that build proteins and are found in all cells
  10. 23. Genetic material that contains instructions for making proteins and is found in all cells
  11. 24. Structure inside the nucleus that makes ribosomes
  12. 26. Structures that help separate chromosomes during cell division in animal cells
  13. 27. Organelle that uses light energy and chlorophyll to make glucose
  14. 29. Simple cell without a nucleus or membrane-bound organelles
  15. 30. Monosaccharide produced during photosynthesis and used for energy
Down
  1. 1. Process that uses light energy to make glucose in chloroplasts
  2. 4. Membrane network that makes lipids and detoxifies chemicals
  3. 5. Jelly-like material that surrounds organelles and supports many chemical reactions
  4. 7. Theory explaining how ancient cells evolved into modern plant and animal cells
  5. 8. All cells have ribosomes a cell membrane cytoplasm and ______
  6. 9. Selectively permeable boundary that controls what enters and exits the cell
  7. 10. Polysaccharide that provides strength and support in plant cell walls
  8. 13. Network of fibers that provides shape and internal support
  9. 15. Chemical formula for the sugar produced during photosynthesis
  10. 17. Molecule that stores and transfers usable energy in cells
  11. 19. Membrane network covered with ribosomes that prepares proteins for transport
  12. 21. Control center that stores DNA and directs cell activities
  13. 22. Membrane-bound sac for transport including transport vesicles and secretory vesicles
  14. 25. Rigid outer layer that provides support in plant cells
  15. 28. Working copy of DNA used by ribosomes as the recipe to make proteins