Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 16 - Regulation of Gene Expression - 16.5 - Eukaryotic Gene Expression Can Be Regulated after Transcription - 16.5 Recap - Learning Outcomes - Page 356: 4

Answer

A proteasome attaches to giant proteins and breaks them down. Targeted proteins are first bound to ubiquitin, which then attaches to the proteasome, where several concentrated proteases are secreted to digest the protein.

Work Step by Step

A proteasome attaches to giant proteins and breaks them down. Targeted proteins are first bound to ubiquitin, which then attaches to the proteasome, where several proteases are secreted to digest the protein.
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