Which of the following compounds has no double bond?
Correct answer: B. Cellulose
- A. Phospholipids
- B. Cellulose
- C. Cholesterol
- D. Vitamin A
Explanation
Cellulose has no double bonds. Cholesterol and Retinol (vitamin A) have double bonds.
This question appeared on the ETEA MDCAT 2008 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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