Chapter 2

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Across
  1. 5. the major source of energy for the body
  2. 6. subunit of which nucleic acids are composed; made up of a 5carbon sugar, a
  3. 7. elements or compounds produced by a chemical reaction
  4. 9. group, and a nitrogenous base
  5. 12. growth and repair
  6. 13. elements or compounds that enter into a chemical reaction
  7. 14. protein catalyst that speeds up the rate of a specific biological reaction
Down
  1. 1. Reaction: process that changes, or transforms, one set of chemicals into another set of chemicals
  2. 2. biomolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  3. 3. Acid: compound with an amino group on one end and a carboxyl group on the other end
  4. 4. small chemical unit that makes up a polymer
  5. 8. substance that speeds up the rate of a chemical reaction
  6. 9. biomolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body
  7. 10. reactant of an enzyme catalyzed reaction
  8. 11. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that