Unit 4222-265 Causes and Spread of Infection (Ic 02)

Outcome 1 Understand the political campaign of infection 1.Identify the difference between bacterium, viruses, fungi and quick studys. Bacteria Bacteria is a single celled organism, bacteria generate evolved to thrive in more or less any environment and merchantman be found in almost any affection/surface and also in the human body, only 1% of bacteria is actually harmful. Its horrid or infectious bacteria that build illness as they rapidly re elevate and produce a toxin that kills or mutates cells, bacteria is also self comfortable. Viruses A virus is a small capsule that contains DNA or RNA, viruses, unlike bacteria ar not self sufficient and need a host in come in to cast I.E a human body. When a virus enters the body, it enters some original cells and takes over making the now host cell steel the split the virus needs to reproduce, the cells atomic number 18 at long last washed-up through this process. The most common viruses is the common col d, which has no cure. fungus kingdom Mould, barm and mushrooms ar all types of kingdom Fungi. Fungi live in the air, water, filth and on plants and they lot live in the body, usually without do illness. Some fungi have beneficial uses. For example, penicillin. Fungi are also essential in making sure foods, such as bread and cheese. Certain types of Fungi great deal cause illness such as Candida which is a yeast that goat cause infections such as thrush. Parasites A parasite is a tiny organism that lives in or on a host (A body) which they use in order to feed. Parasites can cause severe illnesss, there are 3 chief(prenominal) types of parasites: protozoa, helminths, and ectoparasites. Protozoa- They are single celled organisms that can be nonsymbiotic or bloodsucking in nature. They are able to multiply in humans, which contributes to their choice and also gives way to serious infections to develop. Helminths- are large, cellular organisms that ar e generally visible to the naked eye in thei! r freehanded stages. Like protozoa they can be every free-living or parasitic...If you want to get a effective essay, order it on our website: BestEssayCheap.com

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