CHAPTER 2: CELL STRUCTURE

123456789101112131415161718192021222324
Across
  1. 5. all prokaryotes are _________
  2. 6. this is a whip-like propeller
  3. 10. this refers to the inside of a cell, including the organelles and their jellylike surrounding
  4. 13. these have protein-producing ribosomes attached to its surface
  5. 14. the cell theory states that all cells come from preexisting _____
  6. 18. osmosis and diffusion are both ____ transport because they happen without doing work
  7. 19. cells without nuclei
  8. 20. often called the powerhouse of the cell
  9. 22. the movement of molecules through a membrane because of a concentration gradient
  10. 23. cells with nuclei
  11. 24. photosynthesis uses energy from the sun to turn carbon dioxide and water into _____
Down
  1. 1. evolutionists believe this type of cell came first
  2. 2. this provides a rigid protection around bacteria, fungi, and plant cells
  3. 3. the slimy layer that surrounds and protects some bacteria from harm
  4. 4. the breaking down of molecules to produce ATP
  5. 7. structure that contains important information for making proteins and regulates cellular processes
  6. 8. the cell theory is considered a model because it CAN be changed or replaced
  7. 9. this is found in prokaryotic and eukaryotic cells
  8. 11. this makes fat molecules for the cell membrance
  9. 12. DNA is organized into one or more of these
  10. 15. a group of tissues that work together form an _____
  11. 16. cells without access to oxygen can still produce ATP using ____
  12. 17. assemble proteins for the cell
  13. 21. a green pigment that absorbs energy from sunlight