Chemistry · Biochemistry

In lipid biochemistry, why do unsaturated fatty acids tend to be liquid at room temperature?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1They have lower molecular weights than saturated fatty acids.
2Their double bonds increase molecular symmetry leading to less crystal packing.
3The cis-double bonds introduce kinks, reducing van der Waals interactions.✓
4They form ionic bonds that prevent solidification.

Correct answer

The cis-double bonds introduce kinks, reducing van der Waals interactions.

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