biology

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Across
  1. 2. / Disease-causing microorganism
  2. 3. / Unassisted movement of molecules down a concentration gradient
  3. 5. / Variant form of a gene
  4. 6. / Site of photosynthesis
  5. 8. transport / Transport against a concentration gradient requiring ATP
  6. 12. / Protein that binds to a specific antigen
  7. 13. / Biological catalyst
  8. 15. / Small organelle where proteins are made
  9. 18. / Molecule that carries genetic instructions
  10. 20. / Biomolecule made of amino acids
  11. 21. / Phase where chromosomes line up at the cell’s equator
  12. 23. / Two identical chromatids joined at a centromere
  13. 24. / Division producing two identical daughter cells
  14. 25. / Maintenance of internal conditions within narrow limits
Down
  1. 1. / Variety of life in a particular habitat
  2. 4. / Stimulates adaptive immunity without causing disease
  3. 7. / Cell division yielding four genetically diverse gametes
  4. 9. / Process converting glucose into pyruvate with ATP yield
  5. 10. / Observable characteristic resulting from genotype
  6. 11. / Powerhouse of the cell
  7. 14. / Sugar–phosphate building block of nucleic acids
  8. 16. / Group of interacting organisms and their environment
  9. 17. / Water movement across a partially permeable membrane
  10. 19. / Energy currency of the cell
  11. 22. / Hollow bone cell involved in bone resorption