Proteins and their real meaning

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Across
  1. 3. hormone that regulates blood glucose
  2. 5. nutrient‑rich nuts high in healthy fats
  3. 6. micronutrients essential for health
  4. 12. plant material that aids digestion
  5. 13. Dense high calorie content per gram, provides lots of energy
  6. 14. relating to flora, source of plant protein
Down
  1. 1. simple sugar, primary blood energy source
  2. 2. (protein) contains all essential amino acids
  3. 4. lean poultry meat, source of high‑quality protein
  4. 7. Dense high in vitamins, minerals, and other beneficial nutrients per calorie
  5. 8. (protein) lacks one or more essential amino acids
  6. 9. Acid(s) building blocks of proteins
  7. 10. complex carbohydrate, plant energy storage
  8. 11. relating to fauna, source of animal protein