Pandemic Crossroads

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Across
  1. 2. Number of protons in nucleus of an atom
  2. 7. Reactant of enzyme-catalyzed reaction
  3. 10. Chemical reaction that requires heat
  4. 11. Used to measure mass
  5. 13. The father of Western medicine
  6. 15. Made up of two or more different substances combined physically
  7. 16. Mixture in which composition is not uniform
  8. 18. Study of viruses and viral diseases
  9. 22. Product of photosynthesis
  10. 23. Series of genes that determine hereditary characteristics
  11. 25. Scientific ________ is a hypothesis that has not been disproven after many years of rigorous testing
  12. 29. Little packets of light
  13. 30. Discovered penicillin
  14. 32. Substance that changes rate of a chemical reaction
  15. 35. Having two genes at corresponding loci
  16. 36. Carrying out est to determine outcome
  17. 38. Substances composed of only one type of atom
  18. 41. Invented food preservation by pasteurization
  19. 43. Founder of quantum mechanics
  20. 45. Change that occurs in inherited trait of a population over generations
  21. 46. Acids in genes
  22. 47. Scientist that studies fungi
  23. 48. Fundamental substance consisting of only one kind of atom
  24. 49. Physical expression of genes
  25. 50. Discovered DNA’s structure and replication mechanism
Down
  1. 1. Process of maintaining balance
  2. 3. Particle theory of light was formulated by what scientist
  3. 4. Discovered the chemical elements radium and polonium and made numerous pioneering contributions to the study of radioactive elements
  4. 5. Self feeders
  5. 6. Energy in motion
  6. 8. Smallest unit that carries on life function
  7. 9. Maximum number of electrons 2nd shell can hold
  8. 12. Study of fish
  9. 14. Invented two-part naming system used to classify all lifeforms
  10. 17. Charge an element becomes and number of electrons it loses or gains
  11. 19. Bond formed by sharing of electrons between atoms
  12. 20. Theory of this proposes that speed of light is the ultimate speed limit
  13. 21. Disease spreader
  14. 24. Founded the science of genetics
  15. 26. Organelle that makes protein
  16. 27. Eye protection
  17. 28. Process where one or more substances are converted to product
  18. 31. Authored On the Origin of Species
  19. 33. Diffusion across membrane
  20. 34. Point about which lever rotates
  21. 37. Protein catalyst
  22. 39. Frameshift or missense
  23. 40. Genetic constitution of individual
  24. 41. Statement based on a hypothesis about condition that should exist if the hypothesis is correct
  25. 42. Light waves are what kind of waves
  26. 44. Body response to disease