Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 12 - 12.2 - Concept Check - Page 244: 4


The roles are approximately opposite, with the actin-like proteins in prokaryotes moving the chromosomes while tubulin does this in eukaryotes. The tubulin-like proteins help divide the new cells, while actin does this in animal cells (but tubulin does have an important role in making the new cell plate in plant cells).

Work Step by Step

They key here is to make a table for actin (or actin-like) proteins and tubulin (-like) proteins. Skim the chapter and fill in their roles in different organisms' cells divisions to help make this comparison.
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