Multiple Choice
Which of the following is a primary risk factor for developing cancer?
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11. Cell Division
Cancer
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Which of the following best describes a key difference between cancerous cells and normal cells?
A
Cancerous cells divide uncontrollably and can invade surrounding tissues, while normal cells divide in a regulated manner and respect tissue boundaries.
B
Normal cells can metastasize to distant organs, whereas cancerous cells cannot.
C
Normal cells lack the ability to undergo apoptosis, while cancerous cells readily undergo programmed cell death.
D
Cancerous cells have a shorter cell cycle than normal cells, but cannot survive outside their original tissue.
Verified step by step guidance1
Understand the key characteristics of normal cells: Normal cells divide in a regulated manner, respecting tissue boundaries, and have mechanisms like apoptosis (programmed cell death) to eliminate damaged or unnecessary cells.
Learn the defining traits of cancerous cells: Cancerous cells divide uncontrollably, bypassing regulatory mechanisms, and can invade surrounding tissues. They may also metastasize, spreading to distant organs.
Compare the options provided in the question: Evaluate each statement to determine which accurately describes the difference between cancerous and normal cells.
Eliminate incorrect options: For example, normal cells do not metastasize, and cancerous cells do not readily undergo apoptosis. Cancerous cells can survive outside their original tissue, contrary to one of the options.
Select the correct answer: The statement that cancerous cells divide uncontrollably and invade surrounding tissues, while normal cells divide in a regulated manner and respect tissue boundaries, best describes the key difference.
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