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 26 - RNA Metabolism - Problems - Page 1099: 6

Answer

At least 2 transesterification steps are required, since there are two cleavage and rejoining portions of the process that account for the removal of introns from pre-mRNAs via the formation of the lariat structure.

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