Gel Electrophoresis Technique
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Questions and Answers

What is the primary purpose of gel electrophoresis in a laboratory?

  • To study the behavior of macromolecules in a non-electrical field
  • To synthesize macromolecules
  • To analyze the structure of small molecules
  • To separate macromolecules based on their size and charge (correct)
  • What type of molecules are typically separated using gel electrophoresis?

  • Organic molecules, such as carbohydrates and proteins
  • Micromolecules, such as lipids and hormones
  • Macromolecules, such as proteins and nucleic acids (correct)
  • Small molecules, such as sugars and amino acids
  • What is the driving force behind the separation of macromolecules in gel electrophoresis?

  • Electrical field (correct)
  • Magnetic field
  • Centrifugal force
  • Gravity
  • What is the basis of the separation of macromolecules in gel electrophoresis?

    <p>Their rate of movement through a gel under an electrical field</p> Signup and view all the answers

    What is the role of the gel in gel electrophoresis?

    <p>To provide a medium for the separation of macromolecules</p> Signup and view all the answers

    What determines the direction of electrophoresis?

    <p>Net charge of the molecule</p> Signup and view all the answers

    Which of the following factors affects the speed of electrophoresis?

    <p>Electric field strength</p> Signup and view all the answers

    What is the role of the supporting medium in electrophoresis?

    <p>To influence the speed of electrophoresis</p> Signup and view all the answers

    Which factor does not affect the direction of electrophoresis?

    <p>Temperature of operation</p> Signup and view all the answers

    What is the effect of increasing the temperature of operation on electrophoresis?

    <p>It increases the speed of electrophoresis</p> Signup and view all the answers

    Study Notes

    Gel Electrophoresis

    • A laboratory technique used to separate macromolecules, specifically proteins and nucleic acids.
    • Separation is based on the rate of movement through a gel.
    • The movement is influenced by an electrical field.
    • This technique is effective for separating macromolecules of varying sizes and charges.

    Electrophoresis Factors

    • Direction of electrophoresis depends on the net charge of the molecule
    • Size and shape of the molecule influence the speed of electrophoresis
    • Electric field strength affects the speed of electrophoresis
    • The nature of the supporting medium impacts the electrophoresis process
    • Temperature of operation influences the electrophoresis outcome

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    Description

    Gel electrophoresis is a laboratory technique used to separate macromolecules such as proteins and nucleic acids based on their rate of movement through a gel under an electrical field.

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