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 (C)</p> Signup and view all the answers

What determines the separation of nanoparticles in gel electrophoresis?

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

What is the main principle behind gel electrophoresis?

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

What determines the separation of nanoparticles in gel electrophoresis?

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

How are proteins separated in gel electrophoresis?

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

What is gel electrophoresis used to separate in clinical chemistry?

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

How are nucleic acid molecules separated in gel electrophoresis?

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

How are proteins separated in gel electrophoresis?

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

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

<p>Nanoparticles (A)</p> Signup and view all the answers

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