Biochemical Testing for Proteins Using the Biuret Reagent

Biomolecules and Biochemical Testing Methods

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Conduct the Biuret test to detect peptide bonds in aqueous solutions, explaining the underlying chelation reaction with copper(II) ions.

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Biomolecules and Biochemical Testing Methods

9th Grade · Science · Open Global Science

7 lessons

Goal

Analyze the molecular structures, monomeric subunits, and physiological functions of carbohydrates, lipids, proteins, and nucleic acids, and execute biochemical identification assays.

7 lessons

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Monosaccharides, Disaccharides, and Polysaccharide PolymersUp next
Biochemical Testing for Reducing Sugars and StarchNot started yet
Lipid Structure: Triglycerides and PhospholipidsNot started yet
Biochemical Testing for Lipids: Emulsion and Sudan AssaysNot started yet
Amino Acid Monomers and Hierarchical Protein StructureNot started yet
Biochemical Testing for Proteins Using the Biuret ReagentYou are here
Comparing DNA and RNA Structures and FunctionsNot started yet

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Learning standards covered

OGS.10.CB.2Open Global Science Standards 2026™ · 9th Grade

Analyze the chemical structures, monomeric subunits, and biological functions of major biomolecules (carbohydrates, lipids, proteins, and nucleic acids), and carry out biochemical tests to detect reducing sugars, starch, lipids, and peptide bonds.