Cells Crossword

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Across
  1. 5. fluid filled matrix in chloroplasts where 2nd stage of photosynthesis takes place
  2. 6. protein coat found in viruses
  3. 8. hydrolyses material ingested by phagocytic cells
  4. 9. protein that is not associated with bacterial DNA
  5. 12. where protein synthesis happens
  6. 13. last stage of the cell cycle
  7. 15. higher resolution microscope that allows us to look inside cells
  8. 16. fluid on top of tube after ultracentrifugation
  9. 17. circular piece of DNA that contains extra genetic information, found in prokaryotic cells
  10. 21. joins two identical chromatids at the centre to form a chromosome
  11. 22. group of cancerous cells
Down
  1. 1. many specialised cells working together to carry out a specific function
  2. 2. what is the bacterial cell wall made of?
  3. 3. process by which bacteria divide
  4. 4. fluid filled sac found in plant cells that provides the cell with rigidity
  5. 7. machine used to break open cells during cell fractionation
  6. 10. objects that result from preparation of a slide
  7. 11. transports, modifies and stores proteins
  8. 14. longest phase of the cell cycle
  9. 18. stage of mitosis when chromosomes line up down the centre of the cell
  10. 19. virus that contains reverse transcriptase
  11. 20. ability to distinguish between two objects as separate