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 1 - The Foundations of Biochemistry - Problems - Page 42: 8

Answer

The two enantiomers have such different bioactivity because enzymes and biochemical pathways in organisms interact with molecules in highly specific spacial orientations. Even the smallest change in the 3D shape of molecules will change how they are treated in organisms.

Work Step by Step

Chiral centers are carbons that are bonded with four unique groups. In this molecule the indicated carbon is the only chiral center.
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