Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 17 - 17.3 - Concept Check: 2

Answer

Watching a TV show using a DVR, you can "zap" the commercials, removing them so that you can watch just the show. The show is like the exons--what you're really after--and the commercials are like the introns.

Work Step by Step

Here you need to see what is essential for protein synthesis--exons--and what may be helpful in expression but which is edited out before translation--introns.
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