Essential Cell Biology, 4th Edition

Published by Garland Science
ISBN 10: 0815344546
ISBN 13: 978-0-81534-454-4

Chapter 20 - Cell Communities: Tissues, Stem Cells, and Cancer - Questions - Page 716: Question 20-8

Answer

Because cells can be and are discarded.

Work Step by Step

Cell divisions generate one additional cell per division. If there were not systems in place such as apoptosis, a suicide program enacted in damaged cells arrested in the cell cycle, then the amount of cells in the body would be equal to the amount of divisions, plus one.
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