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What chemical feature distinguishes a saturated fatty acid from unsaturated fatty acid?
Wiki User
∙ 13y ago
The unsaturated ones are the ones with one or more double bonds in the carbon chain, by which they are lacking 2 H atoms per double bond as compared with the saturated fatty acid.
The unsaturated ones are in general more 'healthy' with respect to possible cholesterol build up in blood vessels (cardial risks)
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoAssuming that you know what an entire lipid looks like (glycogen with 1-3 fatty acids attached) it'll be easier to imagine: Essentially the fatty acids are long chains of carbons with hydrogens attached. As you should know, a carbon can create four bonds. If the carbons form NO double bonds:
H
|
C-C-H
|
H
It's said to be Saturated. it will be liquid at room temperature and will be pegged an 'oil'
If it forms ONE OR MORE double bonds across its entire fatty acid chain:
C-C=C
|
H
It is said to be unsaturated. It will be solid at room temperature, and will be a fat.
Wiki User
∙ 11y agosaturated ones take longer to build
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