PROTO-ONCOGENES are corresponding normal cellular genes to an oncogene that is responsible for normal cell growth and division.
An oncogene refers to a gene that is capable of causing cancer due to damage to the DNA molecule either by virus or other DNA damaging agents. A proto oncogene is the normal version of the gene while an oncogene is the abnormal version of the concerned gene.
<em>Answer:</em>
Mutations in DNA that do not have an observable effect on the organism's phenotype.
<em>Method:</em>
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The answer is C. <span> Accessibility to nutrients makes the mouth a favorable habitat.
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They are on the periodic table
