Isolation of Bacteria in our Physical Environment Introduction: The purpose of the lab is to apply what has been learned so far in Microbiology‚ and use it to collect and examine microbial species from the physical environment. The physical environment around the lab will be utilized to find out the variety of different microbial species growing in and around the lab. This investigation will help in preparation for the individual projects that will be done at the end of the semester. Materials
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BACTERIA Identification (Classification I. Domain: Bacteria 1. Gram Negative Proteobacteria (Phylum XII) Non-Proteobacteria 2. Gram Positive LOW G+C (Phylum XIII) HIGH G+C (Phylum XIV) II. Domain: Archaea III. Domain: Eukarya (Gram Negative 1. Bordetella pertussis Pertussis/Whooping Cough 2. Eikenella corrodens Human Bite Injury
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Name: ______________________________________ Date: ________________________ Student Exploration: Identifying Nutrients Vocabulary: carbohydrate‚ disaccharide‚ lipid‚ monosaccharide‚ polysaccharide‚ protein‚ starch Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. What are the major types of nutrients you can get from food? Proteins‚ lipids‚ carbohydrates‚ minerals and vitamins 2. How are these nutrients used by your body? Nutrients are used by your body for
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time using the standard method of identifying an unknown microorganism relying on features such as morphology‚ arrangements and biochemical reactions. It was done in succession with each step complimenting the other. At the end of the experiment three microorganisms Bacillus azotoformans‚ Staphylococcus aureus‚ and Escherichia coli was identified and one result was inconclusive. The focus of this paper will be on the description of the just one of the three bacteria and some of its effects on humans
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2012 Identifying Salmonella choleraesuis using Several Microbiology Lab Techniques The purpose of this study was to determine what an unknown bacteria was using several different microbiology lab techniques including an API test‚ an oxidase test‚ a gram stain‚ a hanging drop slide‚ and morphology identification. The unknown bacterium‚ which was contaminated with Serratia marcescens‚ was isolated by streaking the bacteria solution to single colonies. The isolated unknown white bacteria‚ had the
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Bacteria: a benefit or a hazard? Bacteria is something we are all reminded of on a daily basis by merely switching on our televisions where we are bombarded with advertisements for both ‘good’ and ‘bad’ bacteria. Contrary to the view of the past when only so-called ‘bad’ bacteria was ever talked about‚ so what has changed? This essay will address the facts about bacteria including methods used in identifying bacteria as well as looking at specific examples of how they can be both helpful and harmful
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Participant Obvservation Sociology is the systematic study of humans in groups. There are different ways to study these groups of humans and most sociologists are aware of the different ways. As a student studying sociology the class was given a task to observe human interactions in groups and relate what I found out to what I have learned so far. Out of the many different ways to study groups we had to use participant observation‚ systematically studying people while joining them in activities
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· Taxonomy ○ Science of classification ○ Provides an orderly basis for the naming of organisms and for placing organisms into a category (taxon) ○ Makes use of and makes sense of the fundamental concepts of unity and diversity among living things ○ Basic principle is that members of higher-levels groups share fewer characteristics than those in lower-level groups * Escherichia coli - rod shape and have a Gram-negative cell wall * Even members of the same species display variations
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MBK – Lab Report Name: _Bri White_________ Section: ___________________ Observing Bacteria and Blood Questions: A. List the following parts of the microscope and describe the function of each A- Eyepiece: Viewing and identifying objects within the viewing field B- Main Tube: Connects eyepiece lenses to objective lenses C- Nosepiece: Holds objective lens and rotates them D- Objective Lens: Provides different focal lengths E- Stage: Holds the specimen or slide F- Diaphragm:
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the differences between the techniques‚ to able to read results and to have the knowledge for future use in various fields. -Simple stain helps with determining the sizes‚ shapes and arrangements of microorganisms. -Gram stain assists in identifying the type of microbes‚ whether they are gram positive or negative‚ which in turn tells us what kind of cell wall the microbes have. -Endospore stain tells whether microorganisms make endospores. -Acid-fast stain is helpful in recognizing the
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