The number of oxygen atoms in lipid molecules is always _ as compared several carbon atoms.
Correct answer: A. Less
- A. Less
- B. Equal
- C. More
- D. Double
Explanation
Lipids are organic molecules primarily composed of carbon and hydrogen atoms, forming long hydrocarbon chains. Oxygen atoms are present in smaller quantities, typically in functional groups like carboxyl groups in fatty acids. This results in a lower number of oxygen atoms compared to carbon atoms in lipid molecules. Therefore, the correct answer is 'Less'. Other options such as 'Equal', 'More', and 'Double' are incorrect because they do not accurately represent the elemental composition of lipids.
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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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