Biology Crossword Puzzle

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