Back to AI Flashcard MakerAnatomy and Physiology /1.6: Proteins - Structure and Testing

1.6: Proteins - Structure and Testing

Anatomy and Physiology7 CardsCreated 3 months ago

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

Tap or swipe ↕ to flip
Swipe ←→Navigate
1/7

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

Related Flashcard Decks

Study Tips

  • Press F to enter focus mode for distraction-free studying
  • Review cards regularly to improve retention
  • Try to recall the answer before flipping the card
  • Share this deck with friends to study together
TermDefinition

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 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
Add a few drops of dilute copper sulphate solute and mix
The purple colour indicates the presence of a protein