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: 6

Answer

A.

Work Step by Step

For cyclins to appear and disappear during the cell cycle, transcription must be timed along with the destruction of the proteins as directed by ubiquitination (A.). Cyclins come from different genes, not alternative splicing (B.) or RNA editing (C). D. describes a prokaryotic feature, not a eukaryotic feature, but cyclins are found in eukaryotes.
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