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A-LevelBiologyBiological moleculesOct/Nov 2017Paper 1 Q91 Mark

Two disaccharides are maltose and sucrose. Maltose is formed from two molecules of glucose, whilst sucrose is formed from fructose and glucose. Which row shows the molecular formulae of the two disaccharides? [Figure 9.1 - table of molecular formulae for maltose and sucrose]

Amaltose: C12H22O11, sucrose: C12H22O11
Bmaltose: C12H22O11, sucrose: C12H24O12
Cmaltose: C12H24O12, sucrose: C12H22O11
Dmaltose: C12H24O12, sucrose: C12H24O12

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

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About This A-Level Biology Question

This multiple-choice question appeared in the Cambridge A-Level Biology (9700) Oct/Nov 2017 examination, Paper 1 Variant 2. It tests the topic of Biological molecules and is worth 1 mark.

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