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A-LevelBiologyBiological molecules9700/12 · Feb/Mar 2023 · Q91 Mark

Which statement is a correct comparison between saturated triglyceride molecules and unsaturated triglyceride molecules of approximately the same molecular masses?

AUnsaturated triglycerides have more double bonds and fewer hydrogen atoms than saturated triglycerides.
BUnsaturated triglycerides have fewer double bonds and fewer hydrogen atoms than saturated triglycerides.
CUnsaturated triglycerides have more double bonds and more hydrogen atoms than saturated triglycerides.
DUnsaturated triglycerides have fewer double bonds and more hydrogen atoms than saturated triglycerides.

✓ Correct answer

A: Unsaturated triglycerides have more double bonds and fewer hydrogen atoms than saturated triglycerides.

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About this question

Topic
Biological molecules, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, Feb/Mar 2023 Paper 1 Variant 2, question 9.

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