Across
- 1. essential nutrients for the human body
- 5. after a chemical reaction a... is made
- 7. containing the greatest possible number of hydrogen atoms
- 10. chemical reaction that releases energy by light or heat.
- 11. any of a class of sugars whose molecules contain two monosaccharide residues.
- 13. a compound consisting of a nucleoside
- 15. the minimum quantity of energy which the reacting species must possess
- 16. a biomolecule consisting of carbon, hydrogen and oxygen atoms
- 18. sweet-tasting, soluble carbohydrates
- 19. a carboxylic acid consisting of a hydrocarbon chain
- 20. organic compounds that are fatty acids
Down
- 2. reaction in which the system absorbs energy from its surroundings
- 3. complex organic substance present in living cells
- 4. simple sugars
- 6. The chemical substance being observed in a reaction.
- 8. rganic compounds composed of nitrogen, carbon, hydrogen and oxygen
- 9. are polymeric carbohydrate molecules composed of long chains of monosaccharide units
- 12. macromolecular biological catalysts
- 14. having carbon–carbon double or triple bonds
- 17. colorless, odorless, sweet tasting, syrupy liquid