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nmdcat.online June 27, 2026

A diet completely lacking in linoleic acid will eventually lead to deficiency symptoms because it is

A. The only amino acid used for collagen synthesis
B. A precursor for all steroid hormones
C. An essential fatty acid that the human body cannot synthesize
✓
D. The main component of the glycolipid bilayer

📝 Explanation

Linoleic acid is an omega-6 polyunsaturated fatty acid that is essential for mammals, including humans. We lack the desaturase enzymes required to introduce double bonds beyond the ninth carbon, so it must be obtained from the diet.

📖 Additional Information

  • The only amino acid used for collagen synthesis
  • A precursor for all steroid hormones
  • An essential fatty acid that the human body cannot synthesize
  • The main component of the glycolipid bilayer

Linoleic acid is an omega-6 polyunsaturated fatty acid that is essential for mammals, including humans. We lack the desaturase enzymes required to introduce double bonds beyond the ninth carbon, so it must be obtained from the diet.

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