Monday, March 5, 2012

Viruses and the Lytic Cycle

This is a helpful video in which Professor George Wolfe talks about viruses, their structure, their function and their parts. The video also uses diagrams to help explain. Viruses are acellular, they have no metabolic processes, and they are parasitic. They have a capsid which is the outside layer made out of protein. The inside contains the nucleic acid. Some viruses "steal" things from their host cells. He explains that viruses are lytic or lysogenic. He walks through they lytic cycle. He explains whether or not viruses are living or non-living and goes into detail to explain why. Overall, I found this video to be very useful in explaining the function of viruses.

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