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Harmful Micro Organisms - Different Branches of Biology - Lecture Slides

Slides, Biology

Post: January 23th, 2013
Description
These are the Lecture Slides of Branches of Biology. Key important points are: Harmful Micro Organisms, Human World, Micro-Organisms, Harmful Micro-Organisms, Invading the Body, Microscope, Adverse Effect, Classification, Small Parasites, First Discovered
These are the Lecture Slides of Branches of Biology. Key important points are: Harmful Micro Organisms, Human World, Micro-Organisms, Harmful Micro-Organisms, Invading the Body, Microscope, Adverse Effect, Classification, Small Parasites, First Discovered
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H armful micro-organisms and their impacts in human world Docsity.com • Definition: • Micro-organisms : living creatures that are very small and could only be seen under the microscope • Harmful micro-organisms : they will cause discomfort or diseases to human body when invading the body and play an adverse effect in the environment. This image cannot currently be displayed. Docsity.com Classification Harmful micro-organisms can be divided as two groups,they are bacteria & small parasites Bacteria --The most common harmful microorganisms are bacteria --First discovered in 1683 --Today --- more than 1500 species of bacteria are identified Docsity.com Structure of bacteria Size :Larger than virus 0.5 - 1.5 micron in diameter seen with the aid of microscope Existence : as single cell/ colonies Shape : - rod shaped bacterium - spherical bacterium - spiral bacterium - spherical in chains bacterium Docsity.com Cell of bacteria --- surrounded by cell wall which maintains the..

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