NATS 1670 Lecture Notes - Lecture 10: 1918 Flu Pandemic, Cell Membrane, Microorganism
21 Apr 2016
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Document Summary
A virus is a piece of bad news wrapped up in a protein in most cases this is not correct. 1. 5 percent of genome is made up of protein. 8 percent of genome is made up of viruses. Viruses are the most common cause of acute infections in humans. During the following years the virus acquired mutations to become less aggressive. Dmitri iwanowski, showed that extracts from diseased tobacco plants can transmit disease to other plants by infectious agent smaller than a bacteria. A virus is an organism with two phases: outside of the cell: the virus particle (virion, the virus inside the infected cell. Obligate intracellular parasites: they cannot perform metabolism on their own outside of the cell. Virus particles are complexes of nucleic acids and proteins. All cellular life has the following characteristics in common: dna or rna, making proteins, converting chemicals to energy, reproduce by division, cell membrane.
