Lesson 3 Cells

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Across
  1. 3. the air humans and animals breath
  2. 4. a long strand in the nucleus that stores directions for the cell activities.
  3. 6. a colorless, odorless, gaseous element that construes about four-fith of the volume of the atmosphere and is present in combine form of animal and vetable tissue
  4. 8. the largest part of a cell and has its own membrane
  5. 9. processes protein
  6. 10. A storage place
  7. 11. breaks down substances that are no longer needed or that could harm a cell
  8. 12. a mix of carbon, hydrogen, oxygen, nitrogen, hosphorus nuclecicasids a mix of carbon, hydrogen, oxygen, nitrogen, hosphorus
  9. 16. A cells outer covering
  10. 17. a nonmetallic element that exist in many forms
  11. 18. the process of photographic thinking
  12. 19. produce protein some are located on the endoplasmic reticulum and some are in the cytosol
  13. 20. make up matter
Down
  1. 1. power house
  2. 2. the smallest physical unit of an element or compounds
  3. 5. fat and a carbon compound
  4. 7. extends from the nucleus to the cell membrane
  5. 13. A log strand in the nucleus that stores directions for cell activities
  6. 14. a chemical combination of two or more elements
  7. 15. A stiff outer covering outside the cell membrane of a plant
  8. 16. A gel-like substance that surrounds a cells nucleus and is the place where most cells activities occur