These are properties of lipids:
Correct answer: D. All of these
- A. Insoluble in water and soluble in fat solvents
- B. High energy content
- C. Structural component of the cell membrane
- D. All of these
Explanation
The correct answer is "Option: D: All of these." Lipids are diverse molecules that share several key properties: they are insoluble in water but soluble in nonpolar solvents due to their hydrophobic nature, they contain a high energy content, making them efficient energy storage molecules, and they play a critical role in the structure of cell membranes, particularly through phospholipids. The other options, while correct on their own, do not encapsulate the full range of properties that lipids possess.
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About Biological Molecules
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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