Lessons 2.3 & 2.4 Vocabulary

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Across
  1. 5. simple sugar molecule
  2. 7. element or compound that enter into a chemical reaction
  3. 10. energy that is needed to get a reaction started (2 words)
  4. 13. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  5. 14. reactant of an enzyme-catalyzed reaction
  6. 15. macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus (2 words)
Down
  1. 1. small chemical unit that makes up a polymer
  2. 2. process that changes, or transforms, one set of chemicals into another set of chemicals (2 words)
  3. 3. element or compound produced by a chemical reaction
  4. 4. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  5. 6. macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
  6. 8. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  7. 9. compound with an amino group on one end and a carboxyl group on the other end (2 words)
  8. 11. substance that speeds up the rate of a chemical reaction
  9. 12. molecule composed of many monomers; makes up macromolecules
  10. 16. protein catalyst that speeds up the rate of specific biological reactions