Study Guide for Campbell Biology
Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 18, Problem 2IQ
  1. a. Repressible enzymes usually function in _____ pathways. The pathway’s product serves as a(n) _____ to activate the repressor and turn off enzyme synthesis, thus preventing overproduction of the product of the pathway. Genes for repressible enzymes are usually switched _____ and the repressor is synthesized in a(n) _____ form.
  2. b. Inducible enzymes usually function in _____ pathways. Nutrient molecules serve as _____ to stimulate production of the enzymes necessary for their breakdown. Genes for inducible enzymes are usually switched _____ and the repressor is synthesized in a(n) _____ form.
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