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Agarose Gel Electrophoresis: Procedure & Analysis

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

DNA can be moved by electrophoresis because it is a _____.

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1. During electrophoresis, how are DNA molecules separated by size?

2. What is agarose?

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About This Quiz & Worksheet

How are DNA molecules separated? What is the loading buffer used for in gel electrophoresis? You can expect to encounter these types of questions when you use this quiz and corresponding worksheet.

Quiz & Worksheet Goals

This quiz will determine your ability to:

  • Note what DNA is that makes it movable by electrophoresis
  • Explain how DNA molecules are separated by size during electrophoresis
  • Describe agarose
  • Discuss the purpose of the loading buffer in gel electrophoresis
  • Detail how gel electrophoresis is useful in restriction digests of DNA

Skills Practiced

  • Reading comprehension - ensure you draw the most important information from the lesson, such as what makes DNA prone to be moved by electrophoresis
  • Interpreting information - verify that you can read information about the separation by size of DNA molecules during electrophoresis and interpret it correctly
  • Defining key concepts - ensure that you can accurately define 'agarose'
  • Information recall - access the knowledge you've gained regarding the loading buffer in gel electrophoresis

Additional Learning

More information about this lab process is discussed in the lesson titled Agarose Gel Electrophoresis: Procedure & Analysis. By viewing this lesson, you will learn more about:

  • How electrophoresis is defined
  • Which two principles combine to create gel electrophoresis
  • Why separating DNA by size is useful
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