Which is not the true polymer of its monomers:
Correct answer: C. Lipids
- A. Carbohydrates
- B. Proteins
- C. Lipids
- D. None of these
Explanation
The correct answer is lipids because they are not considered true polymers. Unlike carbohydrates and proteins that are composed of repeating monomeric units (monosaccharides and amino acids, respectively), lipids are generally formed from glycerol and fatty acids but do not have a repeating chain structure typical of polymers. Carbohydrates are true polymers, consisting of monosaccharide units, and proteins are also true polymers, made up of amino acid monomers. The option "none of these" is incorrect because it implies all given options are true polymers, which is not the case.
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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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