IB Biology HL B1.1.10 Fatty Acids Questions

Practise IB Biology HL B1.1.10 by identifying saturated, unsaturated, cis and trans fatty acids from their structures.

Exam points

Classify a fatty acid as saturated or unsaturated from the presence or absence of carbon–carbon double bonds.
Classify an unsaturated fatty acid as monounsaturated or polyunsaturated from the number of carbon–carbon double bonds.
Distinguish cis and trans fatty-acid isomers by hydrogen positions around a double bond and the resulting chain kink or straightness.

[Maximum number: 1]

State the reason cis and trans fatty acids are said to be unsaturated.

they have a double bond between carbon/ $\underline{\mathrm{C}}$ «atoms»
OR
they could hold more hydrogen

All question bank results loaded