When a virus enters a cell and incorporates its RNA or DNA into host DNA, what is this stage called?

Explanation

The correct answer is A, as the stage when a virus enters a cell and incorporates its RNA or DNA into host DNA is called lysogeny. Fermentation is a metabolic process that produces energy without oxygen. Symbiosis is a relationship between two organisms that benefits both organisms. Synergism is a situation in which two or more substances work together to produce an effect that is greater than the sum of their individual effects. None of these terms accurately describes the stage when a virus enters a cell and incorporates its RNA or DNA into host DNA.