The Chemistry of Life

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 6. An essential structural component of living cells and source of energy for animals (plural) (13)
  2. 8. Organic compounds containing an ___ group and a carboxylic ___ group (plural) (10)
  3. 9. Any of several complex proteins that are produced by cells and act as catalysts in specific (plural) (7)
  4. 10. The science of matter (9)
  5. 11. Nutrient in meat and beans that builds muscle (plural) (8)
  6. 12. A phosphoric ester of a ___ (10)

Down

  1. 1. Any of various compounds composed of fatty acids and ___ acid and a nitrogenous base (12)
  2. 2. An oily organic compound insoluble in water but soluble in organic solvents (5)
  3. 3. The ___ that is acted upon by an enzyme or ferment (9)
  4. 4. Any of various macromolecules composed of ___ chains that are vital constituents of all (11)
  5. 5. The part of an enzyme or antibody where the chemical reaction occurs (10)
  6. 7. Any of various substances of either mineral origin or plant or animal origin (3)