A-LevelBiologyBiological moleculesOct/Nov 2023Paper 1 Q101 Mark
How many statements about fatty acids are correct? • Fatty acids are either saturated or unsaturated. • Fatty acids always have at least two double bonds. • Long chains of fatty acids are very good energy stores. • Fatty acids are insoluble in water and do not affect the water potential of the cell.
A1
B2
C3
D4
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of biological molecules within the Biologysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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