Principles of Life for the AP Course (2nd Edition)

Published by W. J. Freeman
ISBN 10: 1464156417
ISBN 13: 978-1-46415-641-0

Chapter 7 - Section 7.5 - Programmed Cell Death Is a Necessary Process in Living Organisms - Apply The Concept: 1

Answer

The difference between necrosis and apoptosis is that apoptosis is a programmed series of events that results in cell death (so the cell intended to die), and necrosis is unplanned/unprogrammed cell death that occurs from mechanical stress, injuries, or oxygen or nutrient starved. Apoptosis occurs when it's no longer needed by the organism, or when it's too old (the older a cell is, the more likely it is to get genetic damage and lead to cancer).

Work Step by Step

The difference between necrosis and apoptosis is that apoptosis is a programmed series of events that results in cell death (so the cell intended to die), and necrosis is unplanned/unprogrammed cell death that occurs from mechanical stress, injuries, or oxygen or nutrient starved. Apoptosis occurs when it's no longer needed by the organism, or when it's too old (the older a cell is, the more likely it is to get genetic damage and lead to cancer).
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