A-LevelBiologyBiological molecules9700/12 · May/June 2010 · Q271 Mark
Which diagram represents part of the ring form of a molecule of β-glucose?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
A[Diagram A showing a six-membered ring with -OH on C1 pointing up]
B[Diagram B showing a six-membered ring with -OH on C1 pointing down]
C[Diagram C showing a five-membered ring]
D[Diagram D showing a six-membered ring with -OH on C1 pointing up, but different overall structure compared to A]
✓ Correct answer
A: [Diagram A showing a six-membered ring with -OH on C1 pointing up]
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