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nmdcat.online June 27, 2026

The high energy content of lipids compared to carbohydrates is primarily due to the presence of a greater proportion of

A. Carbon-oxygen bonds
B. Carbon-hydrogen bonds
C. Hydrogen-oxygen bonds
D. Carbon-nitrogen bonds

📝 Explanation

Lipids contain long hydrocarbon chains rich in C-H bonds, which are in a highly reduced state. Upon oxidation, they yield more energy than the more oxidized C-OH bonds found in carbohydrates. The bulk of energy release comes from the transfer of electrons from these C-H bonds.

📖 Additional Information

  • Carbon-oxygen bonds
  • Carbon-hydrogen bonds
  • Hydrogen-oxygen bonds
  • Carbon-nitrogen bonds

Lipids contain long hydrocarbon chains rich in C-H bonds, which are in a highly reduced state. Upon oxidation, they yield more energy than the more oxidized C-OH bonds found in carbohydrates. The bulk of energy release comes from the transfer of electrons from these C-H bonds.

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