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which of the following conditions will most likely cause a normal body cell to become a cancer cell? responses the environment already contains cancer cells. the environment already contains cancer cells. the environment has an abundance of nutrients. the environment has an abundance of nutrients. the environment lacks signals that would otherwise tell the cell to stop dividing. the environment lacks signals that would otherwise tell the cell to stop dividing. the environment contains mutagens that induce mutations that affect cell-cycle regulator proteins.



Answer :

The environment contains mutagens that induce mutations that affect cell-cycle regulator proteins. This condition will most likely cause a normal body cell to become a cancer cell.

Proteins, which regulate many vital functions such as cell growth, are encoded in genes. Protein function can be altered by genetic mutations. Some kinds of genetic mutations alter proteins, causing better and healthier cells to become cancerous or cancer cells

DNA repair genes play a role in the repair of damaged DNA. Cells with mutations in these genes are more likely to acquire supplementary mutations in other genes and chromosomal changes, such as chromosome duplications and deletions. These mutations, when combined, may end up causing the cells to develop into cancerous cells.

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