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BIO NMDCAT BIOLOGICAL MOLECULES
nmdcat.online June 27, 2026

The insolubility of lipids in water is fundamentally attributed to the presence of

A. A high proportion of oxygen atoms creating polar bonds
B. Long, non-polar hydrocarbon chains in their structure
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C. Charged phosphate groups in their polar heads
D. Multiple hydroxyl groups forming hydrogen bonds

📝 Explanation

The bulk of a lipid molecule, like a fatty acid or triglyceride, consists of long hydrocarbon chains (C-H bonds). These bonds are non-polar and hydrophobic, repelling interaction with polar water molecules and leading to insolubility.

📖 Additional Information

  • A high proportion of oxygen atoms creating polar bonds
  • Long, non-polar hydrocarbon chains in their structure
  • Charged phosphate groups in their polar heads
  • Multiple hydroxyl groups forming hydrogen bonds

The bulk of a lipid molecule, like a fatty acid or triglyceride, consists of long hydrocarbon chains (C-H bonds). These bonds are non-polar and hydrophobic, repelling interaction with polar water molecules and leading to insolubility.

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