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 6, Problem 9TYK

Although lysosomal enzymes are necessary for breaking down food molecules, they would also be capable of damaging the cell. How is the cell protected from these enzymes?

  1. a. The enzymes are designed to work on foreign proteins, but they leave the cell’s proteins intact.
  2. b. The phospholipid membrane that contains the enzymes provides an effective barrier between the interior of the lysosome and the rest of the cell.
  3. c. Lysosomal enzymes function best under the acid conditions in the lysosome, but they are less efficient in the cytoplasm, which is essentially neutral.
  4. d. Both b and c provide protection from lysosomal enzymes.
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Study Guide for Campbell Biology

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