Across
- 2. the building blocks of nucleic acids.
- 5. stored energy.
- 8. the building blocks of macromolecules.
- 9. a nucleotide used to store energy.
- 10. reaction (anabolism) forms chemical bonds.
- 14. the basic building blocks; there are 20 varieties.
- 16. change substances into different substances by breaking chemical bonds and forming new chemical bonds, rearranging atoms in the process.
- 18. mainly hydrophobic molecules (fats, oils, and waxes).
- 21. potential energy stored in chemical bonds.
- 22. two simple sugars combined: sucrose, maltose.
- 24. two phosphate groups
- 26. reaction (catabolism) breaks chemical bonds.
- 27. the amount of energy needed to get a reaction started.
- 28. a chemical reaction absorbs more energy than it releases.
Down
- 1. three phosphate groups
- 2. essential molecules obtained from food.
- 3. long chains of monomers.
- 4. protein catalysts that lower the activation energy of reactions.
- 5. many monosaccharides: glycogen, starch, cellulose
- 6. contains ribose
- 7. simple sugars glucose, fructose, galactose
- 11. a chemical reaction releases more energy than it absorbs.
- 12. the most abundant and important organic molecules; contain basic elements Carbon (C), hydrogen (H), oxygen (O), and nitrogen (N).
- 13. molecules based on carbon and hydrogen.
- 15. large organic molecules in the nucleus; store and process information at the molecular level.
- 17. the energy of motion.
- 19. the power to do work.
- 20. contains deoxyribose
- 21. contain carbon, hydrogen, and oxygen in a 1:2:1 ratio.
- 23. molecules not based on carbon and hydrogen.
- 25. a change in mass or distance.