Cantabria PAU Biology Practice Questions - Cantabria PAU Biology Examination - UNICAN (Biología 2o Bachillerato 2026) Exam

How do the α and β anomers of D-glucopyranose differ structurally in aqueous solution?

In the total number of carbon atoms in the hydrocarbon chain. In having a ketone group instead of an aldehyde group in the open-chain form. In the ability to form peptide bonds with aromatic amino acids. In the spatial orientation of the hydroxyl (–OH) attached to the anomeric carbon (C1).

Correct Answer:

In the spatial orientation of the hydroxyl (–OH) attached to the anomeric carbon (C1).

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