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CAIE A-Level Biology 2.2.1 Alpha and Beta Glucose Rings Question Bank

Practise glucose-ring questions by recognising alpha and beta forms, completing ring diagrams and checking carbon-1 hydroxyl orientation plus missing atoms.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • draw or complete the six-membered glucose ring with oxygen, carbon positions and missing atoms
  • distinguish alpha from beta glucose using the carbon-1 hydroxyl above or below the ring
  • compare glucose with other hexoses by checking H and OH orientations on numbered carbons

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