An organic compound that belongs to lipids:
Correct answer: B. C57H110O6
- A. C18H32O16
- B. C57H110O6
- C. C300H500O250
- D. C42H45O23N17S
Explanation
Option B is correct. The molecular formula C57H110O6 corresponds to triacylglycerol, a lipid composed of three fatty acids linked to a glycerol molecule. Lipids are characterized by their hydrophobic nature and are used for long-term energy storage. Other options represent compounds that are not lipids: Option A is raffinose, a carbohydrate; Option C is cellulose, also a carbohydrate; Option D is creatine, a nitrogenous compound found in muscles.
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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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