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 spit through offices, schools and homes, and no matter where in the world you live. Colds and the influenza are hastend by viruses. Viruses are responsible for many some other 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 conform to large. Viruses are about a thousand times minuscular than bacteria, and bacteria are smaller than most human stalls. 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 change wide in their shape and complexity. Viruses dont nurse the chemic machinery needed to slaver out the chemical reactions for life. Instead, virus es carry completely one or two enzymes that decode their familial 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 ameliorates in the skin. Once inside, they find a host cell to infect. on the whole viruses follow the same basic locomote called the lytic cycle. The sequence of events that occurs when you summon agglomerate 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 host cells then break and new viruses send into your bloodstream and lungs. Viruses in the fluid that drips down your throat besiege the cells lining your throat and give you a sore throat. Viruses in your bloodstream then can attack muscl e cells and cause you to have muscle aches. ! Viruses can come through for a long time outside the body. The way that viruses...If you need to get a full essay, order it on our website: OrderEssay.net

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