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lipids
| Question | Answer |
|---|---|
| 1. carbon 2. hydrogen 3. oxygen 4. sometimes P (phosphorus) 5. ratio - 1:2:few | what elements do lipids have? (1. , 2. , 3. , 4.) what is the ratio of them? (5.) |
| what are the functions of lipids? (1. , 2. , 3. , 4.) | 1. store energy (longer than carbs) 2. structure (cell membrane/phospholipid bilayer) 3. hormones 4. insulation |
| fatty acids (1. , 2. , 3.) | 1. can provide energy or structure 2. can be attached to another molecule 3. contains saturated and unsaturated |
| saturated fatty acids (1. , 2. , 3.) | 1. no double bonds between carbons so they can pack together tightly 2. usually solid at room temperature 3. increased risk heart disease |
| unsaturated fatty acids (1. , 2. , 3. , 4.) | 1. at least one double bond between carbons interferes with packing 2. usually liquid at room temperature 3. decreased risk of heart disease 4. preferable in diet |
| triglycerides (1. , 2.) | 1. long term energy storage 2. fatty acids attached to a glycerol |
| phospholipids (1. , 2. , 3. , 4.) | 1. their function is that they make up the cell membrane 2. they are polar 3. polar head: charged hydrophilic (water loving) 4. non-polar tails: uncharged (water fearing) |
| the reason that phospholipids assemble (1.) | 1. so that non-polar (hydrophobic) tails are in the middle |
| what are the 3 steroid hormones? (1. , 2. , 3.) | 1. testosterone 2. estrogen 3. cholesterol |
| testosterone | male hormone |
| estrogen | what is a female hormone called? |
| cholesterol | helps keep the cell membrane fluid |
Created by:
woodmil000
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