Across
- 1. a substance produced by a living organism that acts as a catalyst to bring about specific biochemical reaction
- 3. acid a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
- 5. the action or fact of forming a united whole
- 8. a compound consisting of a nucleoside linked to a phospate group.
- 9. the tendency of energy to disperse
- 11. the action or process of adhering to a surface or object
- 13. any of a large group of organic compounds occuring in foods and living tissues and including sugars, starch, and cellulose.
- 15. any of the class of soluble, crystalline, typically sweet-tasting carbohydrates found in living tissues and exemplified by glucose and sucrose
- 16. bulding blocks for matter
- 18. a substance formed when two or more chemical elements are chemically bonded together
Down
- 2. a pure substance made of only 1 kind of atom
- 4. change rearanges the atoms
- 6. measure of the average speed of the particles within a substance
- 7. a thing that is composed of 2 or more seperate elements
- 9. get things done
- 10. any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents.
- 12. Change do not change a matter's identity
- 13. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
- 14. a substance that takes part in and undergoes change during a reaction
- 17. a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds