What is the most abundant carbohydrate in nature?
Correct answer: A. Cellulose
- A. Cellulose
- B. Starch
- C. Fructose
- D. Glycogen
Explanation
A type of carbohydrate, cellulose contains chains of glucose rings, providing strength and rigidity. Cellulose forms the cell walls of plants and is the primary constituent of wood, making this organic compound the most abundant one on the surface of the Earth.
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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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