Subject integration

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Across
  1. 2. or pull acting on an object. (Physics) — 5
  2. 3. composition in verse. (English) — 4
  3. 4. material in living organisms. (Biology) — 3
  4. 7. for Information Technology. (IT) — 2
  5. 9. Clues
  6. 10. levy on income or goods. (Economics) — 3
  7. 11. particle of an element. (Chemistry) — 4
  8. 12. of exchange. (Economics) — 5
  9. 14. unit of life. (Biology) — 4
  10. 15. period that has already happened. (History) — 4
  11. 16. microorganism. (Biology) — 5
Down
  1. 1. needed for growth and repair of the body. (Biology) — 5 (PROTEIN shortened intersection variant may be adapted)
  2. 5. and selling activity. (Commerce/Management) — 5
  3. 6. used in place of a noun. (English Grammar) — 7
  4. 7. Clues
  5. 8. written for a computer. (IT) — 4
  6. 13. body of a state. (Political Science/Hindi) — 5