Biology Ch.2 Crossword - Kirsten Warren

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