Multiple Choice
Tumor suppressors are mutated genes that results in higher amounts of gene activity.
20. Cancer
Oncogenes and Tumor Suppressors
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Which of the following properties is not one given to cancer by gene mutations?
A
Ability to evade apoptosis
B
Unlimited replication
C
Self-sufficiency from growth signals
D
Genetic Stability
Verified step by step guidance1
Understand the context: Cancer is characterized by certain properties that allow cells to grow uncontrollably. These properties are often acquired through gene mutations.
Review the properties listed: The ability to evade apoptosis, unlimited replication, and self-sufficiency from growth signals are all characteristics that cancer cells can acquire through mutations.
Define apoptosis: Apoptosis is a form of programmed cell death. Cancer cells often evade apoptosis, allowing them to survive longer than normal cells.
Explain unlimited replication: Cancer cells can replicate indefinitely, bypassing the normal cellular senescence that limits the number of times a cell can divide.
Clarify genetic stability: Genetic stability refers to the maintenance of a stable genome. Cancer cells typically exhibit genetic instability, which is the opposite of genetic stability, allowing them to accumulate mutations that drive cancer progression.
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