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Which of the following is a common method for studying protein-nucleic acid inte

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Question: Which of the following is a common method for studying protein-nucleic acid interactions?

Options:

  1. Western blotting
  2. Electrophoretic mobility shift assay (EMSA)
  3. PCR amplification
  4. Flow cytometry

Correct Answer: Electrophoretic mobility shift assay (EMSA)

Solution: 

Electrophoretic mobility shift assay (EMSA) is commonly used to study protein-nucleic acid interactions by observing shifts in mobility during gel electrophoresis.

Which of the following is a common method for studying protein-nucleic acid inte

Practice Questions

Q1
Which of the following is a common method for studying protein-nucleic acid interactions?
  1. Western blotting
  2. Electrophoretic mobility shift assay (EMSA)
  3. PCR amplification
  4. Flow cytometry

Questions & Step-by-Step Solutions

Which of the following is a common method for studying protein-nucleic acid interactions?
  • Step 1: Understand that proteins can interact with nucleic acids (like DNA or RNA).
  • Step 2: Learn about a method called Electrophoretic Mobility Shift Assay (EMSA).
  • Step 3: Know that EMSA involves mixing proteins with nucleic acids.
  • Step 4: Prepare a gel for electrophoresis, which is a technique to separate molecules based on their size and charge.
  • Step 5: Load the mixture of proteins and nucleic acids onto the gel.
  • Step 6: Apply an electric current to the gel, causing the molecules to move.
  • Step 7: Observe how the mobility of the nucleic acids changes when they bind to proteins.
  • Step 8: Analyze the results to see if there are shifts in the position of the nucleic acids on the gel, indicating an interaction with proteins.
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