A-LevelBiologyBiological molecules9700/12 · Oct/Nov 2017 · Q131 Mark

What are the features of triglycerides? [Figure 13.1 - table of triglyceride features]

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Apolar: true, less dense than water: true, lower proportion of hydrogen than in carbohydrates: false

Bpolar: false, less dense than water: true, lower proportion of hydrogen than in carbohydrates: true

Cpolar: false, less dense than water: true, lower proportion of hydrogen than in carbohydrates: false

Dpolar: false, less dense than water: false, lower proportion of hydrogen than in carbohydrates: false

✓ Correct answer

C: polar: false, less dense than water: true, lower proportion of hydrogen than in carbohydrates: false

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Topic: Biological molecules, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2017 Paper 1 Variant 2, question 13.

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