Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 12, DNA - Assessment - 12.3 DNA Replication - Understand Key Concepts/Think Critically - Page 357: 21

Answer

d.

Work Step by Step

DNA polymerase is an enzyme that catalyzes the bonding between the sugar deoxyribose and the phosphate group of adjacent nucleotides. Additionally, this enzyme proofreads the new DNA strand that it catalyzed to make sure that the new strand is a nearly exact copy of the original DNA strand.
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