Biology

• Benedict's test


  Test for sugars
• Benedict's test procedure


  Heat sample with Benedict's reagent
• Sample stays blue


  No reducing sugar present
• Sample forms orange precipitate


  Reducing sugar present
• Brick red precipitate forms


  Non-reducing sugar present
• Monosaccharides


  Carbohydrate monomers
• Monosaccharides


  • Glucose
  • Fructose
  • Galactose
• Disaccharides


  2 monosaccharides joined by a condensation reaction, forming a glycosidic bond
• What is the Biuret test used for?

  To test for the presence of proteins
• What is the first step in the Biuret test?

  Add sodium hydroxide solution