Campbell Biology (12th Edition)

Published by Pearson
ISBN 10: 0135188741
ISBN 13: 978-0-13518-874-3

Chapter 20 - Test Your Understanding - Levels 1-2 - Remembering/Understanding - Page 440: 2

Answer

b. DNA ligase - cutting DNA, creating sticky ends of restriction fragments

Work Step by Step

DNA ligase does not cut DNA; instead it joins the sticky ends of cut DNA together. A restriction enzyme cuts DNA to form restriction fragments with sticky ends.
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