Proto-oncogenes ________. normally suppress tumor growth were initially introduc

Question

Proto-oncogenes ________.

normally suppress tumor growth

were initially introduced into eukaryotic cells by retroviruses

are produced by somatic mutations induced by carcinogenic substances

stimulate normal cell growth and division

are underexpressed in cancer cells

normally suppress tumor growth

were initially introduced into eukaryotic cells by retroviruses

are produced by somatic mutations induced by carcinogenic substances

stimulate normal cell growth and division

are underexpressed in cancer cells

Explanation / Answer

The answer is - stimulate normal cell growth and division

Proto-oncogenes stimulate normal cell growth and division.

These are required by the body for normal functioning. However, a mutation in these genes can lead to the conversion of proto-oncogenes to oncogenes which can induce cancer.

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