Viruses‚ Viroids‚ and Prions copyright cmassengale 1 Are Viruses Living or Non-living? Viruses are both and neither They have some properties of life but not others For example‚ viruses can be killed‚ even crystallized like table salt However‚ they can’t maintain a constant internal state (homeostasis). copyright cmassengale 2 What are Viruses? A virus is a noncellular particle made up of genetic material and protein that can invade living cells. copyright cmassengale 3 Viral History copyright
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HIV From Wikipedia‚ the free encyclopediaJump to: navigation‚ search "AIDS virus" redirects here. For the computer virus‚ see AIDS (computer virus). For the village‚ see Hiv (village). For the administrative subdivision‚ see Hiv Rural District. HIV Classification and external resources Diagram of HIV ICD-10 B20-B24 ICD-9 042-044 OMIM 609423 MedlinePlus 000602 eMedicine article/783434 MeSH D006678 Human immunodeficiency virus (HIV) is a lentivirus (a member of the retrovirus family) that
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Topic : The influence of computer viruses Nowadays ‚ most of our activities need computers .They are an excellent tool to help us solve quickly and effectively almost problems in our life. However‚ the computers are also very sensitive and may work wrongly if they are attacked by computer viruses . In fact ‚ the computer viruses may cause a lot of bad effects for users in which loosing data in computers‚ interupting business communication and stolen personal informations on the internet are
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Table of contents Virus…………………………………………………………………………………………………………………….3 What is a computer virus?………………………………………………………………………………………………3 Effects of Computer viruses……………………………………………………………………………………………3 How to avoid Computer viruses?......................................................................................3 Different kinds of viruses………………………………………………………………………………………………..4 Symptoms of infect…………………………………………………………………………………………………………6 What to do?..........................................
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Are viruses living or nonliving? Scientist all over are debating whether or not a virus is in fact a living organism. There are many different opinions about this touchy topic from many different scientists. My job was to read through all of these different opinions and decided which side I agreed with. Do I think that viruses are living or nonliving? The answer to that question is‚ I absolutely believe viruses are nonliving and ill tell you why. Just because a virus seems alive doesn’t mean
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Abstract There have been studies on HIV/AIDS‚ but there is currently no cure for the virus/disease. There is a misconception that AIDS is transmitted‚ but what people don’t know is that the virus HIV is what is transmitted; leading to the disease AIDS. The risk factors‚ major health promoting behaviors and symptoms that can alleviate the hardships that come with the virus/disease‚ can cause stress‚ frustration and conflict managing the illness. The impact of the medical condition on the mental health
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AIDS and HIV Introduction Being one of the most fatal viruses in the nation‚ AIDS (Acquired Immunodeficiency Syndrome) is now a serious public health concern in most major U.S. cities and in countries worldwide. Since 1986 there have been impressive advances in understanding of the AIDS virus‚ its mechanisms‚ and its routes of transmission. Even though researchers have put in countless hours‚ and millions of dollars it has not led to a drug that can cure infection with the virus or to a vaccine
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HIV AND AIDS Definition AIDS or acquired immunodeficiency syndrome - was originally defined empirically by the Centers for Disease Control and Prevention(CDC) as “the presence of a reliably diagnosed disease that is at least moderately indicative of an underlying defect in cell-mediated immunity.” Following the recognition of the causative virus‚ HIV‚ and the development of the sensitive and specific tests for HIV infection‚ the definition of AIDS has undergone substantial revision. The current
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Start with a some DNA‚ or RNA if you are so inclined‚ mix in a simple matrix‚ fold the mixture into a protein coat‚ and pour into a plasma membrane. Could this be the recipe for elementary life? Viruses are one of the simplest forms of organized organic material to arise in evolution. They are infamously the most efficient at reproducing while simultaneously eliminating competition which are two of the most fundamental characteristics of life. Despite these remarkable abilities‚ most biologists are
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HIV/AIDS-- A Deadly Disease HIV and AIDS are a silent killer virus that many people have today‚ and even more that do not even know they have it. With the millions of viruses and diseases in the world‚ HIV and AIDS are the two that struck the world by surprise‚ becoming one of the most serious and most common diseases not just in the United States‚ but also around the world. HIV and AIDS is caused by genetics‚ accidental contamination‚ and sex; it therefore leads to medical doctors trying to find
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