Which of the following disaccharides does not have two cyclic forms (alpha and beta)?

Name: Which of the following disaccharides does not have two cyclic forms (alpha and beta)?
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Question

Quizplus · Accepted Answer

Sucrose is not a reducing sugar and does not have an open-chain form that can take on alpha and beta configurations. Therefore, it only exists as a single cyclic form. Lactose and maltose are reducing sugars and have open-chain forms that can take on both alpha and beta configurations.

Which of the Following Disaccharides Does Not Have Two Cyclic