Understand The Causes Of Infection Essay

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Understand the causes of infection 1.Bacteria are classified into different groups and can be pathogenic (capable of causing illness) or non-pathogenic (not likely to cause illness). Different types of bacteria are identified by their varying shapes. Bacteria are simple organisms, made up of just one cell, and are capable of reproducing by themselves. They do this through a process of growing to twice their original size and splitting into two; those two cells then split into two more, and so on. This may appear to be a very simple process; however, conditions have to be right for it to happen and for the bacteria to be viable. Under the right conditions they can divide and multiply rapidly. The term used for this process is binary fission. Bacteria exist everywhere, including inside and on our bodies. Most…show more content…
Bacteria will not multiply in dry areas, but as soon as liquid is added, for instance to dried food like powdered milk and dried eggs, the products will provide ideal conditions for bacteria to multiply. However, if enough salt or sugar have been added to foods such as bacon, savoury biscuits, jam and confectionery, this will absorb the available moisture in the food so the bacteria cannot multiply as easily. It is not only moist foods that provide the right environment for bacteria, though. Moist skin or damp areas of an environment will also provide the right atmosphere for bacterial growth. Nutrients Bacteria, like all living things, need nutrients to survive. Different types of food-poisoning bacteria can live on a range of foods, but most prefer food that is moist and high in protein such as meat, poultry, eggs, shellfish, milk and dairy products, cooked rice, pasta, or any product made from these foods. All these foods are subject to bacterial growth even after they have been cooked and served cold later. This is why such ready-to-eat items are classified as high-risk

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