Which of the following sugars is not found in plants?
Correct answer: A. Lactose
- A. Lactose
- B. Sucrose
- C. Glucose
- D. Fructose
Explanation
The correct answer is lactose, which is not typically found in plants. Lactose is a sugar found in milk, produced by mammals, and is not a component of plant biology. In contrast, sucrose, glucose, and fructose are all sugars that are commonly found in plants. Sucrose is often extracted from sugarcane and sugar beets, glucose is a fundamental sugar in cellular respiration and photosynthesis, and fructose is abundant in fruits.
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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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