Nature of Cells

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Across
  1. 3. Cells can be broken apart by cell _____________
  2. 4. The study of processes occurring in living systems
  3. 5. Dr. R.R.H _________ showed plants had cells
  4. 8. A cell's organs are called __________
  5. 10. Jelly-like substance between nucleus & plasma membrane
  6. 13. Rudolph _______ showed new cells come from existing ones
  7. 14. The study of biology at the tissue level
  8. 16. A _________ cell has a true nucleus
  9. 17. A distinct living being (even bacteria) is an ________
  10. 18. Our only means of studying organisms from the past
  11. 20. Robert Hooke gave them their names
Down
  1. 1. The study of viruses
  2. 2. A __________ cell has a region called a nucleoid
  3. 6. The study of organisms and their physical environment
  4. 7. The limit (power) of a microscope's clarity and detail
  5. 9. Robert Brown discovered that each cell had this
  6. 11. The plasma ________ is the cell's outer covering
  7. 12. All ______ things are composed of cells
  8. 15. An organ is composed of similar cells called ______
  9. 19. Schleiden and Schwann proposed the Cell ___