A reducing sugar is that which has:
Correct answer: B. Free aldehyde or ketone group
- A. Free aldehyde group
- B. Free aldehyde or ketone group
- C. Free ketone group
- D. None of these
Explanation
A reducing sugar must have a free aldehyde or ketone group that can participate in redox reactions.
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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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