Cell Structure and Function

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Across
  1. 3. fills space between membrane and nucleus; includes cytosol and all organelles
  2. 5. most prominent organelle within a eukaryotic cell; contains DNA; control center of cell
  3. 8. A cell in a hypertonic solution will _____.
  4. 10. taking a substance into the cell by forming a vesicle; requires energy
  5. 11. All living things are made of _____.
  6. 15. subcellular structure that performs a particular function within a cell
  7. 17. membrane molecule that is hydrophobic and one end and hydrophilic at the other
  8. 19. All cells come from _____ cells.
  9. 20. a solution that has a lower concentration than the cell
  10. 21. rounded, flattened system of sacs that packages substances for transport
  11. 23. outer boundary of cell; phospholipid bilayer with embedded proteins
  12. 24. molecule used for energy for functions like active transport
  13. 26. protein that moves a substance from an area of low concentration to an area of high concentration; require energy
  14. 27. a solution that has a higher concentration than the cell
  15. 28. a variable range of concentrations
  16. 29. microtubules and microfibers that are involved in cell division, cytoplasmic streaming, and movement of flagella and cilia
  17. 33. dissolved substance
  18. 34. powerhouse of cell; releases energy in the form of ATP
  19. 35. membranous network of channels throughout cytoplasm; modifies, secretes, and stores lipids
  20. 38. membrane component that, in animal cells, stiffens and strengthens the membrane; regulates fluidity
  21. 39. molecules moving from high to low are moving _____ their gradient
  22. 40. region of nucleus composed of RNA; involved in production of ribosomes
  23. 41. sometimes surrounds membrane and provides protection and support to cell
Down
  1. 1. large molecules moving down a gradient through proteins
  2. 2. vesicle transport used to send macromolecules out of the cell; requires energy
  3. 4. molecule that composes majority of the membrane; hydrophobic and hydrophilic
  4. 6. tubular structures that play a role in cell division of animals
  5. 7. a membrane that allows some substances to pass, but not others
  6. 9. a solution that has the same concentration as the cell
  7. 12. found free in the cytoplasm or attached to endoplasmic reticulum; produces proteins for cellular use or export
  8. 13. large membranous sac filling much of interior of plant cells; positions chloroplasts near surface of cell
  9. 14. Any type of cell transport that doesn’t use energy.
  10. 16. vesicles containing digestive enzymes; break down worn out cells and cell parts; not found in plant cells
  11. 17. small, simple type of cell that has no nucleus or membranous organelles
  12. 18. membranous network of channels throughout cytoplasm with ribosomes attached; modifies, secretes, and stores proteins
  13. 22. the most common solvent in living systems
  14. 25. type of cell transport that requires expenditure of ATP
  15. 30. substance capable of dissolving something else
  16. 31. large, complex cells that contain a nucleus and membranous organelles
  17. 32. diffusion of water across a membrane
  18. 36. movement of substances from an area of high concentration to an area of low concentration
  19. 37. prominent green organelle found in photosynthetic organisms; converts light energy to chemical energy