What is a Bacteria a Research Paper
Bacteria
Bacteria is a simple organism that consists of one cell. They are among the smallest living thing on earth. Most bacteria measures from about 0.3 to 2.0 microns in diameter, and can only be seen through a microscope. Scientist classify bacteria according to shape. Cocci are round and sometimes linked together. Bacilli look like rods, and Vibrios resembles bent rods. There are two types of spiral-shaped bacteria, spirochetes and spirilla. Bacteria exist almost anywhere you can think of. There are thousands of types of bacteria, most of which are completely harmless to the human body. Some species cause diseases while others are harmless. The Pros & Cons of Bacteria Certain kinds of bacteria live in the intestines of human beings and animals. These forms of bacteria are essential in the digestion process. They help the digestion process by eliminating and destroying harmful organisms. Intestinal bacteria also produces some vitamins needed by body. Bacteria cells resemble the cells of other living things in many ways, and so scientist study bacteria to learn more about complex organisms. For exmaple, the study of bacteria has helped researchers understand how certain characteristics are transferred through heredity. Most species of bacteria reproduce quickly. This enables many scientist to grow large quantities of research due to rapid reproduction of bacteria. Some kinds of bacteria cause diseases to human beings, animals and plants. The diseases include: cholera, gonnorhea, leporasy, gangrene, pneumonia, tuberculosis, tracheal bronchitis, syphilis, and typhoid fever. Bacteria enters the body through natural openings, such as the nose, mouth, and even breaks or cracks in the skin. In addition to transfer of bacteria through natural openings, bacteria is also transfered from one person to another by means of food, water, and air. Harmful bacteria prevents the body from functioning properly by destroying healthy cells. Certain bacteria produces posions which cause such diseases such as diperthia, tetanus, and scarlet fever. Some posions are produced by living bacteria while others are released only after bacterium dies. A form of food posioning called botulism is caused by posions from bacteria in improperly canned foods. Bacteria that may live harmlessly in the body can also cause infections. The infections are only minor compared to posion produceing bacteria. An example of this would include, if bacteria in the throat of a person with low immunity, reproduces faster than the persons body can dispose of them , the result is an infection...