Puzzle..

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Across
  1. 2. good separation
  2. 4. see the nucleic acid
  3. 6. today's experiment
  4. 9. human perception method
  5. 10. can be isolated
  6. 12. related with compound estimation, purfication
  7. 14. sourced from sea algae
  8. 15. DNA run
  9. 16. related to energy in gel
  10. 17. helps to sediment
  11. 18. glass related with protein
Down
  1. 1. common phytochemical
  2. 3. purification method
  3. 5. palanar method
  4. 7. use for extraction
  5. 8. reducing sugar
  6. 11. related with protein
  7. 13. related with volatiles