Which class of biological molecule is generally NOT built as a polymer of repeating monomers?
Correct answer: C. Lipids
- A. Proteins
- B. Nucleic acids
- C. Lipids
- D. Carbohydrates
Explanation
Lipids are small molecules, a triglyceride being glycerol plus three fatty acids, and they do not form long repeating chains. Proteins, nucleic acids and polysaccharides are all true polymers assembled from amino acids, nucleotides and monosaccharides respectively.
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About Classification of Biological Molecules
Biological molecules are classified as carbohydrates, lipids, proteins and nucleic acids, with water, minerals and vitamins also supporting cellular processes. The key distinctions involve their monomers, chemical bonds, structures and functions, including glucose and starch, fatty acids and triglycerides, amino acids and polypeptides, and nucleotides in DNA and RNA.
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