MCAT Biochemistry Question 48: Answer and Explanation

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Test Information

Question: 48

3. Aldonic acids are compounds that:

  • A. can be oxidized, and therefore act as reducing agents.
  • B. can be reduced, and therefore act as reducing agents.
  • C. have been oxidized, and have acted as reducing agents.
  • D. have been oxidized, and have acted as oxidizing agents.

Correct Answer: C

Explanation:

Aldonic acids form after the aldehyde group on a reducing sugar reduces another compound, becoming oxidized in the process.

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