An example of a saturated fatty acid is:
Correct answer: A. Palmitic acid
- A. Palmitic acid
- B. Linoleic acid
- C. Oleic acid
- D. Erucic acid
Explanation
Palmitic acid is a saturated fatty acid as it contains no double bonds between carbon atoms. Saturated fatty acids are characterized by having only single bonds between carbon atoms, which makes them 'saturated' with hydrogen atoms. In contrast, the other options are unsaturated fatty acids: Linoleic acid has two double bonds, Oleic acid has one double bond, and Erucic acid has one double bond as well, making them all unsaturated.
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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