The straight-chain form of glucose has an aldehyde group at carbon 1.
A reaction between this aldehyde group and the hydroxyl group at carbon 5 gives rise to a ring form.
Depending on the orientation of the aldehyde group when the ring closes, either of two molecules a-glucose or P-glucose forms.
3.13 Glucose: From One Form to the Other All glucose molecules have the formula C6H12O6, but their structures vary. When dissolved in water, the a and p "ring"forms of glucose interconvert.
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.