4: Lipids (part 2: Phospholipids) Quizellenj2022-11-23T14:19:36-05:00 Please sign up for the course before taking this quiz. 1. An electrically unbalanced molecule is called1 an acid. an ion. a proton. a hydroxyl. 2. Phosphate is:1 P PO4 POH P02 3. Water molecules are attracted to the phosphate head of the phospholipid.1 True False 4. EPA and DHA are “good” fatty acids.1 True False 5. A very basic phospholipid molecule is composed of1 a phosphate and a fatty acid. a phosphate and two fatty acids. a glycerol, a phosphate, and two fatty acids. a glycerol, 2 phosphates, and a fatty acid. 6. The part of the phospholipid that is hydrophobic is the1 phosphate. "tail". "head". 7. EPA and DHA are1 phospholipids. saturated fatty acids. unsaturated fatty acids. phosphates. 8. An unsaturated fatty acids has no double bonds in its hydrocarbon chain.1 True False 9. The “tail” of a phospholipid is hydrophilic.1 True False 10. How many bonds does Phosphorus usually want to make?1 5 4 3 2 1 11. “Hydrophillic” means:1 "makes water" "loves water" "splits water" "hates water" 12. There are many different kinds of omega-3 fatty acids.1 True False 13. Carbon atoms cannot form rings; only long hydrocarbon chains like those found in fatty acids.1 True False 14. Phosphate is negatively charged.1 True False 3: Lipids and glycerol 5: Membranes (part 1) Back to: 4: Lipids (part 2: Phospholipids)