Which food molecule (carbohydrate, lipid, protein, nucleic acid) would you eat if…

14. …you needed a quick boost of energy?
15. …you wanted to grow strong nails and hair?
16. …your cells need more genetic material?
17. …you wanted to grow healthy hair?
18. …you had a race tomorrow afternoon?
19. …you were getting ready for hibernation?
20. …you wanted to get bigger muscles?