Gel Electrophoresis Quiz
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Questions and Answers

What is the main principle behind gel electrophoresis?

  • Separation of biomacromolecules based on density and volume
  • Separation of biomacromolecules based on size and charge (correct)
  • Separation of biomacromolecules based on weight and texture
  • Separation of biomacromolecules based on color and shape

    • How are nucleic acid molecules separated in gel electrophoresis?

  • By using chemical solvents
  • By heating the gel matrix
  • By applying an electric field (correct)
  • By adding magnetic particles

    • What is the phenomenon called when shorter molecules move faster and migrate farther than longer ones in gel electrophoresis?

  • Sieving (correct)
  • Precipitation
  • Condensation
  • Diffusion

    • In what field is gel electrophoresis used to separate proteins by charge or size?

    <p>Clinical chemistry</p> Signup and view all the answers

    What determines the separation of nanoparticles in gel electrophoresis?

    <p>The electric field applied</p> Signup and view all the answers

    What is the main principle behind gel electrophoresis?

    <p>Separation of biomacromolecules based on size and charge</p> Signup and view all the answers

    How are nucleic acid molecules separated in gel electrophoresis?

    <p>By applying an electric field to move the negatively charged molecules through a matrix of agarose or other substances</p> Signup and view all the answers

    What determines the separation of nanoparticles in gel electrophoresis?

    <p>The electric field applied to the gel</p> Signup and view all the answers

    What is the phenomenon called when shorter molecules move faster and migrate farther than longer ones in gel electrophoresis?

    <p>Sieving</p> Signup and view all the answers

    How are proteins separated in gel electrophoresis?

    <p>By the charge in agarose</p> Signup and view all the answers

    What is gel electrophoresis used to separate in clinical chemistry?

    <p>Proteins by charge or size</p> Signup and view all the answers

    How are nucleic acid molecules separated in gel electrophoresis?

    <p>By applying an electric field</p> Signup and view all the answers

    Why do shorter nucleic acid molecules move faster and migrate farther than longer ones in gel electrophoresis?

    <p>Shorter molecules migrate more easily through the pores of the gel</p> Signup and view all the answers

    How are proteins separated in gel electrophoresis?

    <p>By the charge in agarose</p> Signup and view all the answers

    Apart from biomacromolecules, what else can gel electrophoresis be used to separate?

    <p>Nanoparticles</p> Signup and view all the answers

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