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BIO NMDCAT Carbohydrates
nmdcat.online June 27, 2026

In a Fischer projection of a monosaccharide, a D-configuration is indicated by the orientation of the hydroxyl group on the highest numbered chiral carbon being drawn on the

A. Left side
B. Right side
✓
C. Top of the carbon chain
D. Bottom of the carbon chain

📝 Explanation

The D/L nomenclature is a convention based on glyceraldehyde. A sugar is D if the -OH group on the chiral carbon farthest from the carbonyl group (the highest numbered chiral center) is drawn on the right side in a standard Fischer projection.

📖 Additional Information

  • Left side
  • Right side
  • Top of the carbon chain
  • Bottom of the carbon chain

The D/L nomenclature is a convention based on glyceraldehyde. A sugar is D if the -OH group on the chiral carbon farthest from the carbonyl group (the highest numbered chiral center) is drawn on the right side in a standard Fischer projection.

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