All of the following are conjugated molecules except:
Correct answer: D. Simple proteins
- A. Glycolipids
- B. Nucleoproteins
- C. Glycoproteins
- D. Simple proteins
Explanation
The correct answer is Option D: Simple proteins. Simple proteins do not have any non-protein prosthetic groups and are composed entirely of amino acids. In contrast, glycolipids, nucleoproteins, and glycoproteins are all conjugated molecules because they contain proteins or lipids covalently linked to a non-protein group, such as carbohydrates or nucleic acids. This linkage forms a complex structure characteristic of conjugated molecules.
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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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