Carbohydrates

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Across
  1. 2. provide carbon, hydrogen, and oxygen
  2. 6. single glucose units combine into complicated chemical arrangements are called ______
  3. 9. your main source of energy
  4. 12. one- and two- unit structures; chemically simple
Down
  1. 1. consists of plant materials that can't be digested by humans
  2. 3. starches are classified as ______
  3. 4. formed when plants combine single glucose units into more complicated chemical structures
  4. 5. sugars extracted from plants and used to sweeten foods are called _______
  5. 7. used to sweeten many foods, while adding few or no calories
  6. 8. chemical process that makes carbohydrates
  7. 10. green pigment in plants for photosynthesis
  8. 11. single units of sugars are called _______