Which one of the following is not correct about water?
Correct answer: C. Water is not a universal solvent
- A. Water has high specific heat
- B. Water has high heat of vaporization
- C. Water is not a universal solvent
- D. Water exhibits strong cohesion tension
Explanation
The correct answer is Option C: Water is not a universal solvent. While water is capable of dissolving many polar and ionic substances due to its polar nature and ability to form hydrogen bonds, it cannot dissolve non-polar substances such as oils. Thus, calling it a 'universal solvent' is not entirely accurate. Option A and Option B correctly describe water's high specific heat and high heat of vaporization, respectively, which are crucial for thermal regulation. Option D correctly describes water's strong cohesion tension, which is important for various biological processes.
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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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