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  Home > JCE Print > Journal of Chemical Education > Issues > 2005  > January  >
In the Classroom
The Stereochemistry of Biochemical Molecules: A Subject to Revisit
Josep J. Centelles and Santiago Imperial
Departament de Bioquímica i Biologia Molecular, Facultat de Química, Universitat de Barcelona, 08028-Barcelona, Spain
Cover
January 2005
Vol. 82 No. 1
p. 75
Abstract
Although Fischer’s convention for stereoisomers is useful for simple molecules, the stereochemistry of complex biochemical molecules is often poorly indicated in textbooks. This article reports on errors in stereochemistry of complex hydrosoluble vitamin B12 molecule. Twenty-five popular biochemistry textbooks were examined for their treatment of the stereoisomery of vitamin B12. Mistakes, discrepancies, and oddities reported in vitamin B12 are just an example of this problem. Biochemistry textbook authors and teachers should pay more attention to the stereoisomery of biochemical molecules to avoid students’ confusion.
More Information
*  Citation
 Centelles, Josep J.; Imperial, Santiago. J. Chem. Educ. 2005 82 75.
*  Keywords
 Biochemistry; Communication / Writing; Curriculum; Misconceptions / Discrepant Events; Second-Year Undergraduate; Stereochemistry; Textbooks; Textbooks / Reference Books; Upper-Division Undergraduate; Vitamins
*  History
 Created:
Last Updated:		 November 29, 2004
December 8, 2004
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