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Restriction Enzymes: Function and Definition

Instructions:

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

question 1 of 3

If the recognition sequence of the restriction enzyme HindIII is AAGCTT, then how many covalent bonds will be broken by the enzyme in the following DNA molecule?

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1. Consider the DNA molecule below. Which of the following DNA molecules is most likely to bind to the sticky end of this molecule?

2. Which of the following DNA molecules contains a palindromic sequence?

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About This Quiz & Worksheet

A restriction enzyme is a special type of enzyme that can cut DNA in specific places, and this quiz/worksheet combo will help test your understanding of how and why this is useful in genetic engineering. Some concepts you'll be assessed on are the types of restriction enzymes, as well as how they function.

Quiz & Worksheet Goals

In this assessment, you'll be tested on the following:

  • covalent bonds
  • palindromic sequences
  • hydrogen bonds

Skills Practiced

  • Information recall - access the knowledge you've gained regarding how many covalent bonds are broken when DNA is cut
  • Distinguishing differences - compare and contrast covalent bonds and hydrogen bonds
  • Making connections - use understanding of the concept of the structure of the DNA molecule

Additional Learning

To learn more, review the accompanying lesson titled Restriction Enzymes: Function and Definition. This lesson covers the following concepts:

  • Definition of a DNA plasmid
  • How restriction enzymes evolved from bacteria
  • Importance of a recognition sequence
  • Specific functions of different restriction enzymes
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