Essential Cell Biology, 4th Edition

Published by Garland Science
ISBN 10: 0815344546
ISBN 13: 978-0-81534-454-4

Chapter 5 - DNA and Chromosomes - Questions - Page 178: Question 5-1 A

Answer

False

Work Step by Step

A DNA strand has a polarity due to the orientation of its sugar-phosphate backbone, not because its two ends contain different bases. Bases refer to adenine, guanine, cytosine, and thymine. The orientation of the phosphate backbone extends from the 5' phosphate group, to the 3' hydroxyl group.
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