Cases And Spread of Infections 1.1 Identify the differences between bacteria‚ viruses‚ fungi‚ and parasites. The difference between bacteria‚ viruses‚ fungi and parasites are: Viruses are coated genetic material that invade cells and use the cell’s apparatus for reproduction. 1.2 Identify common illness and infections caused by bacteria‚ viruses‚ fungi‚ and parasites. Bacteria Food poisoning‚ Bubonic plague‚ Bacterial meningitis‚ Cholera‚ Diphtheria‚ Rheumatic fever‚ Scarlet
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Unit ICO2 Causes and spread of infection Assessment Criteria Outcome 1 Understand the causes of infection The learner can: 1. Identify the differences between bacteria‚ viruses‚ fungi and parasites? Bacteria : Bacteria are one cell structures that multiply rapidly and can become a colony of 2 million within 2 hours. Viruses : Visible can only be seen with an electron microscope they can float in the air‚ sit on a door handle or remain non-living. They become active when they are allowed
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Unit 4222-265 – understand the causes of infection Outcome 1 - understand the causes of infection 1. Identify the differences between bacteria‚ viruses‚ fungi and parasites. Bacteria – is a single cell micro-organism that gets its nutrition from its surroundings and can only be seen under a microscope Viruses - are disease producing agents far smaller than bacteria. They are enclosed in a protein coating which makes them more difficult to destroy. Parasites – an organism that feeds and is dependant
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Causes and Spread of Infection 1.1/1.2 | Features | Illnesses Caused | Bacteria | Can be helpful‚ can be an aid in digestion‚ able to break down sewage‚ can be used in food (yoghurt)‚ affects odour‚ taste and texture. Needs nutrients‚ pH‚ time‚ temperature‚ +/- Oxygen and water activity to grow. | Lyme disease‚ Tuberculosis | Viruses | Exist only to replicate‚ need a host‚ infect all types of cells‚ found in soil‚ water and air. | Hepatitis A‚ Norovirus‚ Measles‚ Mumps | Parasites | Need
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CU254 Causes and Spread of Infection 1.1Identify the differences between bacteria‚ viruses‚ fungi and parasites. Bacteria – bacteria are extremely small singular organisms which are found almost everywhere. Viruses – it is a coated genetic material that invades cells and use’s the cells apparatus for reproduction. Fungi – it is a multi-celled living organism Parasites – they are types of living plants and animals that derive benefit from the metabolism of other animals and plants. 1.2 Identify
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1. understand the causes of infection 1.1 bacteria - neither plant/animal. are a group of there own. very small‚ normally millions of them. multiply ++. single cell with NO nucleus Virus - small infectious agent‚ can only replicate inside living cells of organism‚ have genes of DNA or RNA Fungi - multicellular micro organisms including yeasts & moulds. used for making ABx. essential in decomposition Parasite- is an organism that lives on or in another organism to the detremenet of the host
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CU254 Causes and spread of infection. 1.1 Viruses are pieces of nucleic acid wrapped in a thin coat of protein that replicate only within cells of living host. Bacteria are one cell micro-organisms with simple cellular organizations whose nucleus lacks a membrane. Parasites may be protozoa‚ yeast or multi cellular organisms such as fungi or worms that live in or on a host to obtain nourishment without providing any benefit to the host. Fungi there are many different varieties of fungi‚ and
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IC02 Causes and spread of infection The difference between bacteria‚ viruses‚ fungi and parasites are: Viruses are coated genetic material that invade cells and use the cell’s apparatus for reproduction. Bacteria are single celled organisms. Some classify them as a separate (fourth) kingdom on the tree of life. Fungi are multi-celled organisms that form a third Kingdom of life‚ along with the plant kingdom and the animal kingdom. Parasites are plants or animals that derive benefit
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Causes and spread of infection Micro-organisms that cause infections are known as pathogens. They may be classified as follows: Bacteria: minute organisms about one-thousandth to five-thousandths of a millimetre in diameter. They are susceptible to a greater or lesser extent to antibiotics. Viruses: much smaller than bacteria and although they may survive outside the body for a time they can only grow inside cells of the body. Viruses are not susceptible to antibiotics‚ but there are a few
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Unit 265 Outcome 1 1.1 A: Bacteria: Bacteria exist everywhere‚ inside and on our bodies. Most of them are completely harmless and some of them are very useful. But some bacteria can cause diseases‚ either because they end up in the wrong place in the body or simply because they are ’designed’ to invade us. Bacteria can infect humans‚ plants or animals. B: Viruses: A virus is a small infectious agent‚ too small to be seen by the naked eye. They can’t multiply on their own‚ only inside the cells of
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