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during some viral reproductive cycles, the host cell, with its integrated phage dna, undergoes repeated divisions without being destroyed. however, new phages are not made. this type of reproductive cycle is called the cycle.

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During some viral reproductive cycles, the host cell, with its integrated phage dna, undergoes repeated divisions without being destroyed. however, new phages are not made. this type of reproductive cycle is called the lysogenic cycle.

What is a lysogenic cycle?

the lysogenic cycle is one of two viral reproductive cycles in which the host cell, which has incorporated phage dna, goes through reproduction (the lytic cycle being the other). A circular replicon develops in the bacterial cytoplasm, or the bacteriophage nucleic acid is incorporated into the host bacterium's genome during lysogeny. The bacterium is still capable of surviving and growing normally in this instance since the bacteriophage in the host cell remains latent. The genetic material of the bacteriophage, known as a prophage, can be transferred to the daughter cells at each subsequent cell division. Later events (such as UV radiation or the presence of specific chemicals) can release the prophage, which then causes the lytic cycle—the process by which new phages are produced—can then multiply.

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