DNA Ligase: Definition & Role


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question 1 of 3

DNA ligase is a(n) _____.

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1. DNA ligase functions by adding _____ bonds to the DNA.

2. Which of the following does NOT happen during DNA repair?

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About This Quiz & Worksheet

Take the quiz to ensure you understand the function of ligase through a series of fill-in-the-blank questions. The worksheet will help you review any terminology you may have forgotten or missed.

Quiz & Worksheet Goals

The worksheet will review:

  • How ligase helps DNA replicate and repair
  • The process of DNA replication
  • The definition of ligase
  • DNA repair

Skills Practiced

Use these materials to practice the following skills:

  • Making connections - use understanding of the DNA replication process to answer questions about ligase's role in this procedure
  • Interpreting information - verify that you can read information regarding ligase and interpret it correctly
  • Information recall - access the knowledge you've gained regarding nucleotides

Additional Learning

To get a detailed explanation of the role of ligase, look through the accompanying lesson DNA Ligase: Definition & Role. The short video lesson will cover these objectives:

  • Define DNA ligase
  • Explain leading and lagging strands in DNA replication
  • Describe Okazaki fragments
  • Provide an explanation of ligase's function during DNA repair