The most common carbohydrate monomer is:
Correct answer: B. Glucose
- A. Maltose
- B. Glucose
- C. Lactose
- D. Galactose
Explanation
Glucose is the most common carbohydrate monomer, known as a monosaccharide. It plays a crucial role in providing energy to the body as it is readily used in cellular respiration. Maltose and lactose are disaccharides, composed of two monosaccharide units, and therefore do not qualify as monomers. Although galactose is also a monosaccharide, it is less prevalent than glucose in the context of common carbohydrate monomers.
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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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