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A-LevelBiologyBiological moleculesOct/Nov 2009Paper 1 Q91 Mark

The diagram shows a triglyceride molecule that has been partially hydrolysed. [Diagram of a partially hydrolysed triglyceride molecule] What will be the products of the total hydrolysis of the molecule shown?

Amolecule of glycerol and a saturated fatty acid molecule only
Bmolecule of glycerol and an unsaturated fatty acid molecule only
Cmolecule of water, a molecule of glycerol and a saturated fatty acid molecule
Dmolecule of water, a molecule of glycerol and an unsaturated fatty acid molecule

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The correct answer is B. This question tests the candidate's understanding of biological molecules within the Biologysyllabus. The examiner's mark scheme requires...

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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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About This A-Level Biology Question

This multiple-choice question appeared in the Cambridge A-Level Biology (9700) Oct/Nov 2009 examination, Paper 1 Variant 2. It tests the topic of Biological molecules and is worth 1 mark.

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