which of the following describes the role typical proto-oncogenes have when they are expressed in cells that are not cancerous?

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09-12-2022
Biology

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which of the following describes the role typical proto-oncogenes have when they are expressed in cells that are not cancerous?

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GopalBarman GopalBarman · Answer 1 · 2022-12-14T05:00:29-05:00

Describes the role typical proto-oncogenes have when they are expressed in cells that are not cancerous: They stimulate normal cell growth and division, this is the correct option.

What about Proto-oncogenes?

Proto-oncogenes are normal genes which affect normal cell growth and proliferation. So in non cancerous cells it is not harmful it promotes normal cell cycle . If there is some changes in proto-oncogenes by the effect of radiation or any drugs it can transfer normal cell to cancerous cell . Proto-oncogenes encode proteins that function to stimulate cell division, inhibit cell differentiation, and halt cell death. All of these processes are important for normal human development and for the maintenance of tissues and organs.

Proteins produced by proto-oncogenes promote cell proliferation, thwart cell differentiation, and prevent cell death. For healthy human growth and for the preservation of tissues and organs, each of these processes is crucial.

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The complete question is as follows:

Which of the following describes the role typical proto-oncogenes have when they are expressed in cells that are not cancerous? A) They suppress tumor growth. B) They inhibit differentiation. C) They stimulate normal cell growth and division. D) They enhance signaling from growth factor receptors.