Back to AI Flashcard MakerAnatomy and Physiology /1.6: Proteins - Structure and Testing
1.6: Proteins - Structure and Testing
This deck covers the structure of amino acids and polypeptides, including the formation of dipeptides and the different levels of protein structure. It also includes the method for testing proteins.
Describe the structure of an amino acid
Amino group
Carboxyl group
-Hydrogen atom
-R group
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Key Terms
Term
Definition
Describe the structure of an amino acid
Amino group
Carboxyl group
-Hydrogen atom
-R group
How is a dipeptide formed
Two amino acids bonded together by a peptide bond between the carbon atom of one amino acid and the nitrogen atom of another formed by a condensation ...
Describe the primary structure of a polypeptide
The sequence of amino acids in the polypeptide chain
Describe the secondary structure of a polypeptide
Folding of the polypeptide chain into alpha helix or beta pleated sheet due to the formation hydrogen bonds
Describe the tertiary structure of a polypeptide
Further folding of the polypeptide chain due to the formation of hydrogen bonds ionic bonds and disulfide bridges
Describe the quaternary structure of a polypeptide
The way that the polypeptide chains are assembled together
Final 3D structure
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| Term | Definition |
|---|---|
Describe the structure of an amino acid |
|
How is a dipeptide formed | Two amino acids bonded together by a peptide bond between the carbon atom of one amino acid and the nitrogen atom of another formed by a condensation reaction |
Describe the primary structure of a polypeptide | The sequence of amino acids in the polypeptide chain |
Describe the secondary structure of a polypeptide | Folding of the polypeptide chain into alpha helix or beta pleated sheet due to the formation hydrogen bonds |
Describe the tertiary structure of a polypeptide | Further folding of the polypeptide chain due to the formation of hydrogen bonds ionic bonds and disulfide bridges |
Describe the quaternary structure of a polypeptide | The way that the polypeptide chains are assembled together
Final 3D structure |
Describe the test for proteins | Place the sample in a test tube and add an equal volume of sodium hydroxide |