Which one of the following is not a property of cancerous cells whereas the remaining three are?
Correct answer: D. They show contact inhibition
- A. They compete with normal cells for vital nutrients
- B. They do not remain confined in the area of formation
- C. They divide in an uncontrolled manner
- D. They show contact inhibition
Explanation
Contact inhibition is a property of normal cells by virtue of which contact withother cells inhibits their uncontrolled growth. Cancerous cells lack this property. One of the hallmarks of cancer is the loss of contact inhibition not gain of it. Cancer cells often ignore the signals from neighboring cells and continue to divide and grow uncontrollably, leading to the formation of tumors. This loss of contact inhibition is a crucial aspect of cancer development and progression.
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About Biodiversity and Variety of Life
Biological classification uses taxonomic ranks, binomial nomenclature and shared characteristics to organize life into kingdoms. The major groups include prokaryotes, protists, fungi, plants and animals, with comparisons based on cell type, cell wall, nutrition, body organization, reproduction and evolutionary relationships; prokaryotes lack a membrane-bound nucleus.
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