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Study communicable disease including pathogens, the life cycle of a virus, viral, bacterial, protist, fungal diseases and sexually-transmitted infections.
All viruses depend on cells for reproduction and metabolic processes. By themselves, viruses do not encode for all of the enzymes necessary for viral replication. But within a host cell, a virus can commandeer cellular machinery to produce more viral particles.
The multiple steps involved in the virus propagation occurring inside cells are collectively termed the “virus life cycle.” The virus life cycle can be divided into three stages—entry, genome replication, and exit.
Explore the stages of the viral life cycle, from entry to release, and understand how viruses replicate and spread.
Viruses cannot function or reproduce outside a cell, and are totally dependent on a host cell to survive. Most viruses are species specific, and related viruses typically only infect a narrow range of plants, animals, bacteria, or fungi.
Explore the key stages of the viral life cycle and the host factors that influence replication, from entry to exit, across different types of viruses.
All viruses depend on cells for reproduction and metabolic processes. By themselves, viruses do not encode for all of the enzymes necessary for viral replication. But within a host cell, a virus can commandeer cellular machinery to produce more viral particles.
The viral life cycle can be divided into several major stages: attachment, entry, uncoating, replication, maturation, and release. For a virus to infect a host organism, the viral genome must be transferred from a virus particle into the cytoplasm of a host cell.
The life cycle of a virus typically consists of five stages: attachment, penetration, replication, assembly, and release. During attachment, the virus binds to the host cell’s surface.
All viruses depend on cells for reproduction and metabolic processes. By themselves, viruses do not encode for all of the enzymes necessary for viral replication. But within a host cell, a virus can commandeer cellular machinery to produce more viral particles.