GENERAL SCIENCE CROSSWORD PUZZLE

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Across
  1. 4. TRANSPARENT MEMBRANE ON THE FRONT OF THE EYE
  2. 5. ACTS AS A BARRIER BETWEEN THE NUCLEAR DNA AND CYTOPLASM
  3. 9. MICROSCOPIC MARINE ALGAE COMPONENTS OF THE PLANKTON COMMUNITY
  4. 12. FOUND ON THE APICES ON THE ROOT AND SHOOTS OF A PLANT
  5. 13. POSITIVELY CHARGED SUBATOMIC PARTICLES
  6. 14. THE MAXIMUM EXTENT OF A SIGNAL OR VIBRATION
  7. 15. THE NO. OF CONSTITUTIVE ENTITIES IN A SAMLE OF A SUBSTANCE
  8. 17. STRUCTURES IN CELL THAT PRODUCE ENERGY
  9. 18. DNA CONTAINING PART OF A CELL
  10. 19. A TISSUE WITH THICK CELL WALLS
  11. 21. ELEMENTARY PARTICLE WITH ZERO CHARGE AND SLIGHTLY LARGER THAN PROTONS
  12. 24. SMALL GERMS WHICH CAN CAUSE ILLNESS
  13. 26. NERVOUS SYSTEM UNITS, SENSITIVE CONDUCTORS
Down
  1. 1. COLLECTION OF NERVE CELLS
  2. 2. NO. OF OCCURRENCES OF A REPEATING EVENT PER UNIT OF TIME
  3. 3. STORAGE UNIT FOUND IN ANIMAL AND PLANT CELLS
  4. 6. A NETWORK OF MEMBRANOUS TUBULES WITHIN THE CYTOPLASM OF A EUKARYOTIC CELL
  5. 7. PRIMITIVE CHLOROPHYLL-CONTAINING MAINLY AQUATIC EUKARYOTIC ORGANISMS
  6. 8. CONTENTS OF A CELL EXCLUDING THE NUCLEUS
  7. 10. VELOCITY / RATE OF MOTION / SWIFTNESS
  8. 11. MULTIPLIES ONLY ON ENTERING A PARTICULAR BODY, HARMFUL TO HUMANN AND COMPUTER
  9. 16. AN INCREASE IN THE RATE OF MOTION OF AN OBJECT
  10. 20. RATE OF MOTION PER UNIT TIME
  11. 22. VIBRATIONS THAT TRAVEL THROUGH THE AIR OR ANY OTHER MEDIUM AND CAN BE HEARD
  12. 23. INCITEMENT TO ACTIVITY
  13. 25. YEAST, MOLD, MUSHROOM ETC