Lehninger Principles of Biochemistry 6th Edition

Published by W.H. Freeman
ISBN 10: 1-42923-414-8
ISBN 13: 978-1-42923-414-6

Chapter 28 - Regulation of Gene Expression - Problems - Page 1197: 9

Answer

The crude polymerase extracts likely contain cis-regulatory elements (CRE) that modulate expression. These elements may include inducers or operators and are necessary for accurate and efficient gene expression.

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