Biology 2010 Student Edition

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

Chapter 21, Protists and Fungi - Standardized Test Prep - Page 631: 1



Work Step by Step

Option B is incorrect. Because protists are eukaryotes, they all have membrane-bound nuclei. Option C is incorrect. Some protists such as euglenoids move by means of flagella. Option D is incorrect. Some protists such as paramecia are ciliates, which move by means of cilia. Option A is correct. The cell walls of protists do not contain peptidoglycan, which is a constituent of the cell walls of some bacteria.
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