Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 2, The Chemistry of Life - Standardized Text Prep - Page 59: 1

Answer

D reactants.

Work Step by Step

Products are the results of a chemical reaction. The catalysts are substances that speed up chemical reactions. Active sites are parts of an enzyme that bind to a substance during a reaction. Reactants are the starting substances in a reaction.
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