Carbohydrates are one of the most commonly tested biomolecules on the MCAT. Watch this webinar to learn about their nomenclature, stereochemistry, and structure. We will also review the key monosaccharides, disaccharides, and polysaccharides.

At a glance


Essential skills

  • Determine stereochemistry of a carbohydrate

  • Identify linkages and different glycosidic bonds

  • Distinguish between reducing sugar and non-reducing sugar


Knowledge Fundamentals

  • Monosaccharides: glucose, fructose, galactose by name and structure

  • Disaccharides: sucrose, maltose, lactose by linkage and monosaccharide makeup

  • Polysaccharides: glycogen, starch, cellulose by linkage and monosaccharide makeup


On the MCAT

  • Carbohydrates are part of biomolecules, a frequently tested subject

  • As with amino acids and fats, structures may be presented in visually tricky ways


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