Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 16 - Control of Gene Expression - Review Questions - Apply: 2

Answer

C.

Work Step by Step

DNA looping (C.) allows specific transcription factors bound to distant enhancers to become physically close to the gene which they help to regulate, whereas specific factors do not remove DNA or alter its structure (A. and D.) B. is wrong because the specific transcription factors have to interact with the transcription apparatus to have an effect.
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