Biology 2010 Student Edition

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

Chapter 12, DNA - Assessment - 12.2 The Structure of DNA - Understand Key Concepts/Think Critically - Page 356: 15

Answer

DNA is antiparallel because it is more stable.

Work Step by Step

DNA is antiparallel, which allows for hydrogen bonding, so it is more stable. It also allows nitrogenous bases to be complementary to each other.
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