19. Draw a fatty acid. Name it. 20. 15. Draw a glycerophospholipid with two (2) 18-carbon...
19. Draw a fatty acid. Name it. 20. 15. Draw a glycerophospholipid with two (2) 18-carbon saturated chains at their appropriate positions. Label the carbons 1-3 respectively. 21. If a polar head group is attached to a glycerophospholid, where is it attached? What functionality or functionalities do these confer? 22. What are sphingolipids and why/how are they important? How can they be distinguished from other types of lipids? 23. What are the chemical and some functional features of waxes? 24. What are terpenes? From what building block are they constructed? 25. How are membranes of archaea and terpenes connected? What role do they serve for those membranes?