Viruses

Most of us at one time or an different have had colds or the grippe. The symptoms; fever, congestion, coughing, and sore throat, easily spread through offices, schools and homes, and no matter where in the world you live. Colds and the grippe be hastend by computer viruses. Viruses are responsible for many separate serious, many times deadly, diseases including; AIDS, ebola hemorrhagic fever, and hepatitis. A virus is a tiny particle. Virus particles are about one-millionth of an come to large. Viruses are about a thousand times nonaged than bacteria, and bacteria are smaller than most human booths. Viruses are so small that most brush asidenot even be seen with a light microscope, instead an electron microscope must be used. A virus particle consists of; nucleic acid, coat of protein, and lipid membrane. Viruses qualify wide in their shape and complexity. Viruses dont deem the chemic machinery needed to deal out the chemical reactions for life. Instead, viruses carry completely one or two enzymes that decode their patrimonial instructions. So a virus must have a phalanx cell in which to live and make more(prenominal) viruses. Viruses can enter the human body through the nose, mouth, or come offs in the skin. Once inside, they find a host cell to infect. on the whole viruses follow the same basic go called the lytic cycle.

The sequence of events that occurs when you summon drink with the flu or a cold is a good demonstration of how a virus works. First, an infected soulfulness sneezes near you, then you inhale the virus particle and it attaches to cells facing the inside of your nose. The virus then fervidnesss the cells lie the nose and cursorily reproduces new viruses. The h! ost cells then break and new viruses send into your bloodstream and lungs. Viruses in the fluid that drips down your throat try the cells lining your throat and give you a sore throat. Viruses in your bloodstream then can attack muscle cells and cause you to have muscle aches. Viruses can be for a long time outside the body. The way that viruses...If you demand to get a full essay, order it on our website: OrderEssay.net

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