Biology Crossword Puzzle

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Across
  1. 1. A bond that links amino acids together in a protein
  2. 3. Has the same chemical formula as Glucose, but a different structural formula
  3. 7. The basic building blocks of a protein
  4. 9. Two different molecules that have the same chemical formula
  5. 10. Organic molecules containing only carbon, hydrogen, and oxygen
  6. 13. Having no net acid or base characteristics
  7. 14. A collection of atoms that all have the same number of protons
  8. 16. change A change that alters the makeup of the elements or molecules of a substance
  9. 17. A solution with a pH from just above 7 to 14
  10. 19. The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration
Down
  1. 2. A molecule that contains only carbon and any other the following: hydrogen, oxygen, nitrogen, sulfur, or phosphorus
  2. 4. A lipid made from fatty acids that have no double bonds between carbon atoms
  3. 5. Chemicals that result from atoms linking together
  4. 6. The random motion of molecules from an area of high concentration to an area of low concentration
  5. 8. Lacking any affinity to water
  6. 11. A solution with a pH from 0 to just under 7
  7. 12. The process by which living organisms produce larger molecules from smaller ones
  8. 15. Anything that has mass and takes up space
  9. 18. A special class of proteins that act as catalysts for many chemical reactions that support life