Scientific Discoveries and Inventions 14

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Across
  1. 1. "A biological molecule used as an indicator of a process or condition."
  2. 4. "A technique for analyzing the interaction of light with matter."
  3. 6. "The physics of the Earth, including its shape, structure, and gravitational fields."
  4. 10. "A method for estimating evolutionary timescales based on DNA mutations."
  5. 11. "The gel-like substance within a cell, excluding the nucleus."
  6. 12. "A pigment responsible for red, purple, and blue colors in plants."
  7. 13. "A molecule or part of a molecule responsible for color."
  8. 16. "The process of forming new neurons in the brain."
  9. 17. "The quality of being toxic to cells, often used in cancer research."
  10. 18. "A process that increases the rate of a chemical reaction."
  11. 19. "Relating to heat produced within the Earth."
Down
  1. 1. "The science that applies physics to biological systems."
  2. 2. "Describes enzymes that change shape and activity when bound by certain molecules."
  3. 3. "The study of fungi, including mushrooms and molds."
  4. 5. "The scientific study of humans, human behavior, and societies."
  5. 7. "A technique for separating molecules based on size and charge."
  6. 8. "The process of adding sugar molecules to proteins or lipids."
  7. 9. "A method for dating ancient organic materials using carbon isotopes."
  8. 14. "The global ecosystem where life exists, including land, water, and air."
  9. 15. "The interaction between genes where one gene affects the expression of another."