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