Biology Quiz: Gel Electrophoresis and DNA Properties
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Questions and Answers

In gel electrophoresis, DNA moves towards which electrode?

  • Anode (correct)
  • Cathode
  • Neither anode nor cathode
  • Both anode and cathode
  • What property of DNA allows it to be separated by gel electrophoresis?

  • Its hydrophobic nature
  • Its neutral charge
  • Its negative charge (correct)
  • Its positive charge
  • What is the function of the buffer solution in gel electrophoresis?

  • To stain the DNA
  • To provide a medium for electrical conductivity (correct)
  • To dissolve the gel
  • To degrade the DNA
  • Which of the following staining methods is commonly used to visualize DNA in a gel after electrophoresis?

    <p>Ethidium bromide</p> Signup and view all the answers

    What is the role of the loading dye in gel electrophoresis?

    <p>To make the DNA visible under UV light</p> Signup and view all the answers

    Study Notes

    Gel Electrophoresis

    • In gel electrophoresis, DNA moves towards the cathode electrode.
    • The property of DNA that allows it to be separated by gel electrophoresis is its negative charge.
    • The function of the buffer solution in gel electrophoresis is to provide a medium for electrical conductivity.
    • The staining method commonly used to visualize DNA in a gel after electrophoresis is ethidium bromide.
    • The role of the loading dye in gel electrophoresis is to make the DNA visible under UV light.

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    Description

    This quiz covers questions on gel electrophoresis and properties of DNA, likely from a biology or genetics exam or study guide.

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