Campbell Biology (10th Edition)

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

Chapter 11 - 11.2 - Concept Check: 3

Answer

Both ligand binding and allosteric regulation involve a molecule (ligand or allosteric regulator) binding at one site and, thus, changing the shape of a protein (receptor or enzyme) at other sites on the same structure. That, in turn, leads to altered activity (signalling or enzyme action) elsewhere in the protein.

Work Step by Step

This question is asking you to see a general property of proteins with their complex structures: that binding at one site alters shape and, thus, other activities if the protein.
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