Answer :
Final answer:
A prophage is phage DNA integrated into bacterial DNA, forming when a temperate bacteriophage infects a bacterium.
Explanation:
A prophage is phage DNA that is integrated into bacterial DNA. It forms when a temperate bacteriophage infects a bacterium and incorporates its DNA into the host cell's genome. The virus remains dormant in the host cell until induced, leading to excision of the prophage and entry into a lytic phase.
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