Yet, it costs an average of 3% of your total house price. And when it comes time to replace it, many homeowners don't know what the cost of a new roof should be. Some also try to get the lowest price possible.
Bacteriophages Some DNA phages, called temperate phages, only lyse a small fraction of bacterial cells; in the remaining majority of the bacteria, the phage DNA becomes integrated into the bacterial chromosome and replicates along with it.erpes simplex virus The Herpes simplex virus first enters the lytic cycle after infecting a human, then the lysogenic cycle before travelling to the nervous system where it resides in the nerve fibers as an episomal element.
Types of viruses. There are many types of viruses that cause a wide variety of viral infections or viral diseases. In fact, there are more than 200 different viruses that can cause a cold or an upper respiratory infection. Other common viruses include the following: Epstein-Barr virus causes infectious mononucleosis (cytomegalovirus causes a very similar disease in some people). Human immunodeficiency virus (HIV) causes AIDS.