CELL DIVISION
THE CELL CYCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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They lead to genetic mutations that stop the process of cell division.
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They lead to genetic mutations that affect the proteins that control the cell cycle.
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They introduce cancer cells as harmful microorganisms that eat the proteins that control the cell cycle.
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They introduce viruses that invade healthy cells and take over the structures that copy genetic information.
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Detailed explanation-1: -Up to 10% of all cancers may be caused by inherited genetic changes. Inheriting a cancer-related genetic change doesn’t mean you will definitely get cancer. It means that your risk of getting cancer is increased.
Detailed explanation-2: -Only 5–10% of all cancer cases can be attributed to genetic defects, whereas the remaining 90–95% have their roots in the environment and lifestyle.
Detailed explanation-3: -Lifestyle behaviors and environmental factors account for around 70-90% of cancer cases, according to new research published in the journal Nature. Share on Pinterest Researchers say up to 90% of cancer cases are caused by lifestyle and environmental factors, such as smoking.
Detailed explanation-4: -Benzene, asbestos, vinyl chloride, radon, and arsenic are examples of toxic substances that can increase the risk of cancer to those who are exposed. The International Agency for Research on Cancer (IARC) has classified these substances as “known human carcinogens.”