Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 3 - Cells: The Living Units - Review Questions - Page 114: 9

Answer

(d) they are membrane-walled barrels lying parallel to each other

Work Step by Step

Centrioles are located in the centrosome region, are made of microtubules, and begin to duplicate in G1. However, they do not lie parallel to each other. Instead, they lie at right angles to each other.
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