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Lysozymes, also known as muramidase or N-acetylmuramide glycanhydrolase, are glycoside hydrolases. These are enzymes (EC 3.2.1.17) that damage bacterial cell walls by catalyzing hydrolysis of 1,4-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in a peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrins ...
There is no vaccine against hepatitis C. Prevention includes harm reduction efforts among people who use intravenous drugs and testing donated blood. Chronic infection can be cured about 90% of the time with treatments that include the medications sofosbuvir or simeprevir. Previous to this a combination of peginterferon and ribavirin was used which had a cure rate around 50% and ...
About a third of the world population has been infected at one point in their lives, including 240 million to 350 million who have chronic infections.[ Another 129 million new infections occurred in 2013 Over 750,000 people die of hepatitis B each year.About 300,000 of these are due to liver cancer.The disease is now only common in East Asia and ...
Lysogeny, or the lysogenic cycle, is one of two cycles of viral reproduction (the lytic cycle is the other). Lysogeny is characterized by integration of the bacteriophage nucleic acid into the host bacterium's genome or formations of a circular replicon in the bacterium's cytoplasm. ...
cheophyte, any of the vascular plants, members of the division, or phylum, Tracheophyta, numbering some 260,000 species and including all of the conspicuous flora of the Earth today. Tracheophyte, meaning “tracheid plant,” refers to the water-conducting cells (called tracheids, or tracheary elements) that show spiral bands like those in the walls of the tracheae, or air tubes, of insects. ...
Smallpox was an infectious disease caused by either of two virus variants, Variola major and Variola minor. The disease is also known by the Latin names Variola or Variola vera, derived from varius ("spotted") or varus ("pimple"). The disease was originally known in English as the "pox" or "red plague"; the term "smallpox" was first used in Britain in the ...
an entire virus particle, consisting of an outer protein shell called a capsid and an inner core of nucleic acid (either ribonucleic or deoxyribonucleic acid—RNA or DNA). The core confers infectivity, and the capsid provides specificity to the virus. ...
Subunits called protomers aggregate to form capsomeres. Various arrangements of capsomeres are: 1) Icosahedral, 2) Helical, and Complex. ...
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