easy · MCAT chem-phys

When comparing saturated and unsaturated fatty acids, which structural feature explains why saturated fats are solid at room temperature?

1. The cis double bonds in saturated fats increase their molecular weight.
2. Unsaturated fats simply possess longer hydrocarbon chains than saturated fats typically do.
3. The double bonds in unsaturated fats introduce kinks that prevent tight packing.
4. Saturated fats contain a greater number of oxygen atoms per molecule than unsaturated fats do.

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