BIOLOGY

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Across
  1. 5. a pyrimidine in RNA that replaces Thymine
  2. 8. macromolecules composed of amino acids
  3. 9. when two amino acids combine
  4. 10. an organic catalyst that accelerates a specific chemical reaction by lowering the energy required
  5. 11. consists of four carbon rings
  6. 12. a sugar that cant be broken down by hydrolysis to a simple sugar
  7. 14. a three carbon alcohol with hydroxyl group on each carbon
  8. 16. a longer chain of amino acids which may contain up to hundreds
  9. 17. any of a group of organic compounds that are insoluble in water but soluble in nonpolar solvents
  10. 18. not readily reacting with water
  11. 19. to alter physical properties
  12. 20. two isomeric chemical compounds that are mirror images
Down
  1. 1. substance that increase speed that a reaction occurs
  2. 2. animal starch
  3. 3. typical form of a carbohydrate used for energy storage in plants
  4. 4. monomer of nucleic acid
  5. 6. main component of cell walls of fungi and exoskeletons of insects and fish
  6. 7. a molecule of RNA that has catalytic properties
  7. 13. compound containing carbon hydrogen and oxygen
  8. 15. 5 carbon sugar in ribonucleic acid