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Lipids
| Question | Answer |
|---|---|
| Are lipids soluble or insoluble? | Insoluble |
| What are lipids soluble in? | Organic solvents such as ethanol |
| What are triglycerides? | Lipids that we eat, which are also used as energy stores in plants and animals. |
| What are triglycerides made up of? | A glycerol molecule and 3 fatty acids |
| What is the name of the bond that forms between each fatty acid and the glycerol? | Ester bond |
| What is a saturated fat? | A fatty acid chain in a lipid which contains the maximum number of hydrogen atoms. |
| Do saturated fats have c=c double bonds? | No |
| Why are saturated fats solid at room temperature? | Because of the strong intermolecular bonds between the triglycerides |
| How many double bonds do monounsaturated fats have between two of the carbon atoms in each fatty acid? | One |
| Do unsaturated fats have c=c double bonds? | Yes |
| Where is cholesterol made in our body? | In the liver, from saturated fats |
| What are phospholipids? | When one fatty acid from a triglyceride is replaced by a -ly charged phosphate group. |
| How is BMI measured? | body mass(kg)/height^2(m^2) |