Protein Electrophoresis Migration Factors
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Questions and Answers

What type of gel is best to resolve a mixture of X, Y, and Z on a denaturing gel?

  • Both
  • Denaturing (correct)
  • idk
  • Non-denaturing
  • In electrophoresis, which factor can affect migration but was not discussed in the text?

  • Size of the gel
  • Angle of applied current
  • Material of the gel
  • Buffers used
  • All of the above affect migration (correct)
  • Which type of gel is most suitable to determine if a protein is binding to a regulatory molecule in a sample?

  • Denaturing
  • Non-denaturing (correct)
  • idk
  • Both
  • When comparing two samples to check for the presence of a specific protein of known molecular weight, what type of gel should be used?

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

    What would you expect to see when running a mixture of X, Y, and Z on a denaturing gel?

    <p>3 bands on the gel</p> Signup and view all the answers

    Which type of gel resolves samples based on structure/function in addition to size and charge?

    <p>Non-denaturing</p> Signup and view all the answers

    What is the primary basis for resolving molecules in denaturing electrophoresis of proteins?

    <p>Molecular weight and charge</p> Signup and view all the answers

    Why is it important to understand the nuances of electrophoresis beyond just 'separating by size'?

    <p>To develop preparative techniques</p> Signup and view all the answers

    In denaturing electrophoresis, what happens to the proteins prior to loading them onto the gel?

    <p>They are denatured</p> Signup and view all the answers

    What aspect of molecules is not considered when someone refers to 'size' in electrophoresis?

    <p>Structure/function</p> Signup and view all the answers

    What is a key factor that affects migration in electrophoresis besides molecular weight and charge?

    <p>Material of gel</p> Signup and view all the answers

    What is the main factor that affects migration through a gel in electrophoresis?

    <p>Protein size</p> Signup and view all the answers

    Why is precise descriptor important in disciplinary practice related to gel electrophoresis?

    <p>To ensure reproducibility and accuracy</p> Signup and view all the answers

    In the context of the Taura syndrome virus proteins X, Y, and Z, which combination of proteins would likely show up as three distinct bands on a gel?

    <p>X, Y, and Z</p> Signup and view all the answers

    If a protein exists in two distinct conformations in a cell, and you run it on a gel, how would the gel appear if your idea is true?

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

    What parameter should be considered to deduce unknown molecules' properties from their migration through a gel?

    <p>Mass to charge ratio</p> Signup and view all the answers

    If you suspect that a protein binds to other proteins Y and Z, what would you expect to observe in a gel electrophoresis experiment?

    <p>Three distinct bands for X, Y, and Z</p> Signup and view all the answers

    Which of the following proteins would migrate the furthest in an agarose gel electrophoresis setup?

    <p>$Z$ (30 kDa)</p> Signup and view all the answers

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