Biology 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0-07802-426-9
ISBN 13: 978-0-07802-426-9

Chapter 9 - The Cell Cycle and Cellular Reproduction - Engage - Thinking Scientifically - Page 165: 1


Based upon Figure 9.1, histones could be produced in the G1 and S phases of the cell cycle. In the G1 phase, the cell increases the number of organelles and gathers materials that will be used for DNA synthesis. In the S phase, continued growth and then DNA replication occurs.

Work Step by Step

Histones are made in the G1 and S phases of the cell cycle when the cell makes preparations for DNA synthesis.
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