A common carbohydrate composed of glucose and fructose joined by a linkage between C-1 of glucose and C-2 of fructose is:
Correct answer: D. Sucrose
- A. Starch
- B. Maltose
- C. Lactose
- D. Sucrose
Explanation
Sucrose is a common carbohydrate (disaccharide) composed of glucose and fructose. In sucrose, glucose and fructose are linked by a glycosidic bond between C-1 of glucose and C-2 of fructose.
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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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