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Introduction to the Microbial World; History of Microbiology (Essay Sample)

Instructions:

Introduction to the Microbial World; History of Microbiology The module 1 case assignment allows you to investigate a traditional theory regarding the generation of microbes. You will research various experiments which were performed and discuss how the scientific experiment disproved the theory. For the module 1 case assignment you should provide a discussion of: 1. The history of Microbiology 2. The early theory of spontaneous generation and discuss one experiment which supported the theory. 3. List two experiments by early scientists and provide a detailed explanation of how each experiment disproved the theory of spontaneous generation. 4. What components of the modern theory of the cell replace these early theories? How does an understanding of cell biology contribute to our understanding of life and the origin of life? Note: The assignment will require you to engage in independent research of early experiments performed which supported or disproved the theory of spontaneous generation. You will find information on these topics covered in your required reading for this module. You will also find additional resources on your ebrary bookshelf, such as the book, Cell Biology: Fundamentals and Applications, a great place to begin your investigation of cell theory and cell biology. Your assignment is due by the Monday following the end of this Module. Please upload your case assignment. Case Assignment Expectations Length: Case Assignment Module assignments should be at least 2-4 pages (400-800 words) in length, not counting the cover sheet and references. References: At least two references should be included from academic sources (e.g. peer-reviewed journal articles). Required readings are included. Quoted material should not exceed 10% of the total paper (since the focus of these assignments is critical thinking). Use your own words and build on the ideas of others. When material is copied verbatim from external sources, it MUST be enclosed in quotes. The references should be cited within the text and also listed at the end of the assignment in the References section (preferably in APA format). Organization: Subheadings should be used to organize your paper according to question Format: APA format is recommended (but not required) for this assignment. See Syllabus page for more information on APA format. Grammar and Spelling: While no points are deducted, assignments are expected to adhere to standards guidelines of grammar, spelling, punctuation, and sentence syntax. Points may be deducted if grammar and spelling impact clarity. The following items will be assessed in particular: • Relevance (e.g. all content is connected to the question) • Precision (e.g. specific question is addressed. Statements, facts, and statistics are specific and accurate). • Depth of discussion (e.g. present and integrate points that lead to deeper issues) • Breadth (e.g. multiple perspectives and references, multiple issues/factors considered) • Evidence (e.g. points are well-supported with facts, statistics and references) • Logic (e.g. presented discussion makes sense, conclusions are logically supported by premises, statements, or factual information) • Clarity (e.g. writing is concise, understandable, and contains sufficient detail or examples) Objectivity (e.g. avoid use of first person and subjective bias)

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Content:

Introduction to microbial world; History of microbiology
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University
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Introduction to microbial world; History of microbiology
History of Microbiology
Robert Hooke and Anton Van Leeuwenhoek were among the first scientists to make observations of microscopic organisms through the use of a microscope. The development of microbiology in the late 1800s and within the first decades of the 1900s resulted in the emergence of the "golden age" of microbiology. It is during this period that the agents of different infectious diseases were discovered, leading to the development of the germ theory of disease. This was when scientists seized the opportunity to advance the development of the germ theory.
Theory of spontaneous generation
Spontaneous generation refers to the hypothesis that some vital force in or given to organic matter provides the capability to create living organisms from inanimate objects. One of the theories that supported spontaneous generation is the one conducted by John Needham. He carried out an experiment where he placed a broth into a bottle, heated the bottle with the intention of killing anything inside then sealed it. He left it for days and later reported the presence of life in the broth. With this, he announced that life had been created from nonlife, with the intention of proving the theory of spontaneous generation. However, in actuality, he did not hit the bottle strong enough to kill all microbes.
Experiments disapproving spontaneous generation
There are experiments that disapprove the theory of spontaneous generation. Such are the Louis Pasteur experiment and Redi's experiment.
* Louis Pasteur Experiment
He carried ou...
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