Which lipid is hydrophilic and soluble?
Correct answer: B. Phospholipids
- A. Triglycerides
- B. Phospholipids
- C. Waxes
- D. Terpenoids
Explanation
Phospholipids are soluble in both water and oil (amphiphilic) because the hydrocarbon tails of two fatty acids are still hydrophobic, but the phosphate group end is hydrophilic. Phospholipids are the major component of cell membrane to form lipid bilayers.
This question appeared on the UHS MDCAT 2018 paper, which you can sit online with every answer explained.
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About Lipids
Lipids include fats, oils, waxes, phospholipids and steroids, which are largely insoluble in water and soluble in organic solvents. Coverage includes glycerol and fatty acids, ester bond formation, saturated and unsaturated fats, triglyceride functions, and phospholipids in cell membranes.
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