Across
- 4. the man source of energy
- 9. the unit structure is chemically simple
- 11. the chemical arrangements that build structures
- 13. the chemical process that makes carbohydrates
Down
- 1. single unit of sugar
- 2. sweeten many foods without adding calories
- 3. consist of plant materials that can't be digested by human enzymes
- 5. green pigment in plants for photosynthesis
- 6. sugar taken from plants to make food sweeter
- 7. the chemical element needed to make sugar
- 8. more complicated structure of carbohydrates
- 10. two monosaccharides combined chemically
- 12. plants combine simple glucose units more complicated chemically