Hydrophilic substances are _ and hydrophobic substances are _.
Correct answer: D. All are correct
- A. Water loving, Water fearing
- B. Soluble in water, Soluble in lipid
- C. Polar, Non-polar
- D. All are correct
Explanation
Hydrophilic substances have a strong affinity for water due to their polar nature, while hydrophobic substances repel water due to their non-polar nature. Option D is the correct answer because all the statements are accurate in describing the properties of hydrophilic and hydrophobic substances. The other options either partially describe the properties or focus on different aspects not directly related to the question.
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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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