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antiviral agents viruses, what are they? viruses are obligate intracellular parasites, i.e. they utilize: host metabolic enzymes host ribosome for protein synthesis…
20 e n g i n e e r i n g s c i e n c e n o 1 almost every day some virus or other makes news—hiv sars smallpox as a bioweapon last fall’s new flu and…
slide 1 slide 2 history of viruses viruses have been around for a long time, but only recently have we gained the ability to investigate what they look like. slide 3 history…
microbiology viruses 1 viruses which kingdom? 2 viruses they are considered “lifeless”…why? they can not carry out metabolic and reproductive functions alone. they…
slide 1 viruses characteristics of viruses viruses are not alive they do not have a cytoplasm or organelles cannot carry out cellular functions they do not divide (reproduce)…
viruses trojan horses and worms • what are they • how do they spread • what can be done about them steven m bellovin august 26 2006 1 worms in science fiction “let…
1 ch. 19 viruses bacteria: define virus. what are viruses? define and translate bacteriophage. review virus composition. what two classes of compounds are found in all viruses?…
what is computer security the problem there are some bad guys: they are called viruses (or viri) what is a virus? a virus is a program created by a mal-intentioned individual…
viruses, trojan horses, and worms • what are they? • how do they spread? • what can be done about them? steven m. bellovin november 8, 2007 1 worms in science fiction…
infection and disease lecture 4 infection and disease lecture 4 viruses –part i what are viruses ? viruses obligate intracellular parasites nucleic acid genome: dna or…
1. old technology 2. 3. modern technology 4. everything moves faster! 5. even diseases!!! 6. let´s compare! 7. black death epidemic - xiv century one of the most devastating…
slide 11 viruses slide 2 2 are viruses living or non-living? viruses are non living they have some properties of life but not others they cant maintain a constant internal…
viruses what human diseases can you name that are caused by viruses? did you name: the flu â influenza! swine flu! hiv/aids? smallpox? chicken pox/shingles? common colds?…
viruses - introduction structure and classification aprof bill rawlinsonaprof bill rawlinson wrawlinson@unsweduauwrawlinson@unsweduau virology division sealsvirology division…
viruses what to know: learning objectives overview: what are some basic facts about viruses? structure: what are the shapes? reproduction: what is the lytic & lysogenic…
viruses as pathogens they are not living and cannot metabolize to create energy. they cannot reproduce without the help of the host and its resources. read up on tmv (tobacco
complex viruses these viruses are composed of polyhedral protein shells. they are also called icosahedral viruses because of their symmetry. helical viruses in these viruses,…
viruses, bacteria, and fungus viruses, bacteria, and fungus how they affect us! what are viruses a virus is a tiny, non-cellular, non-living particle that enters and then…
slide 1 what is a virus??? slide 2 viruses slide 3 #1: viruses possess genetic material (dna or rna) slide 4 #2: viruses cannot survive without a host a host is where it…
virus viruses viruses general description viruses is not living organism, as they lack two essential properties of life- they cannot replicate independently, and cannot survive…