Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 20 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 438: 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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