Across 2. carbohydrate example 7. valuable source of information 11. means many 13. lipid example 14. insulation, steroids, protection Down 1. amino acids and polypeptides 3. protein example 4. a main source of energy 5. Group name for the 4 molecules for life 6. short term energy storage 8. Not water soluble compound 9. stores and transmits genetic information 10. means one 12. transpsorts hemoglobin, forms muschle, fights disease