Lesson plan
Ribitol
Ribitol, or adonitol, is a crystalline pentose alcohol (C 5 H 12 O 5 ) formed by the reduction of ribose. It occurs naturally in the plant Adonis vernalis as well as in the cell walls of some Gram-positive bacteria, in the form of ribitol phosphate, in teichoic acids. It also forms part of the chemical structure of riboflavin and flavin mononucleotide (FMN), which is a nucleotide coenzyme used by many enzymes, the so-called flavoproteins. Ribitol is one of four stereoisomers having the formula : * D -arabitol and L -arabitol * Ribitol (non-chiral) * Xylitol (non-chiral)
Article summary
Ribitol, or adonitol, is a crystalline pentose alcohol (C 5 H 12 O 5 ) formed by the reduction of ribose. It occurs naturally in the plant Adonis vernalis as well as in the cell walls of some Gram-positive bacteria, in the form of ribitol phosphate, in teichoic acids. It also forms part of the chemical structure of riboflavin and flavin mononucleotide (FMN), which is a nucleotide coenzyme used by many enzymes, the so-called flavoproteins. Ribitol is one of four stereoisomers having the formula : * D -arabitol and L -arabitol * Ribitol (non-chiral) * Xylitol (non-chiral)
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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