AP Biologyeasymcq1 pt
Saturated fatty acids differ from unsaturated ones by having
A.no double bonds between carbons
B.more oxygen atoms
C.a phosphate group
D.ring structures
Explanation
Core Concept
Saturated fatty acids have no carbon-carbon double bonds and therefore carry the maximum number of hydrogens along the hydrocarbon chain. Cis double bonds in unsaturated fatty acids introduce bends that reduce tight packing and often lower melting temperature. Trans unsaturated fatty acids do not create the same pronounced bend, so 'unsaturated means kinked and liquid' is too broad.
Correct Answer
Ano double bonds between carbons
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