"Fresh yogurt slide" Essays and Research Papers

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    Lab Module 1

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    E. Stage - holds the object to be viewed F. Diaphragm – controls the amount of light reaching the slide G. Light source – a mirror‚ lamp‚ or bulb for illuminating slide work. H. Course adjustment – used for the initial focusing of field I. Fine adjustment – used for the final focusing of field J. Arm – connects base to the viewing tube K. Stage knobs or clips – secures and adjusts the slides position on the stage L. Base – connects the arm and provides stability B. Define the following

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    Lab Assignment

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    with lens paper and nine different slides were chosen upon inspection‚ two of which were fresh. Each slide was carefully observed at each magnification (4x‚ 10x‚ 40x). Observations were reported in table and drawings of my findings. Table 1 Specimens | “e” slide | Penicillium with conidia | Bacteria‚ bacillus form | yeast | Bacteria‚ coccus form | Bacteria‚ spirillium form | Prepared yogurt slide | Fresh blood smear | Fresh yogurt slide – 24 hours old | Observations

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    use a microscope and the oil immersion lens to be able to see the prepared slides. Also to learn how to prepare my own yogurt and blood slides. Procedure: First‚ set up the microscope. Clean the ocular lenses and objectives with lens paper. Then pace the prepared e slide on the stage and make adjustments. Turn the rotating nosepiece until the 10x objective is above the ring of light coming through the slide. Move the slide using the X and Y stage knobs until the specimen is within the view. Adjust

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    Microbiology Lab Chap 1

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    needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor. Exercise 1: Viewing Prepared Slides Questions A. Identify the following parts of the microscope and describe the function of each. A=Ocular Lens-

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    Lab 1 Microscope

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    holds two or more objectives lenses and can be rotated easily to change power D. Objective lenses- 4x‚ 10x‚ 40x‚ and 100x powers E. Stage- The flat plate where the slides are placed for observation F. Diaphragm- Generally a five hold disc placed under the stage. Used to vary the intensity and size of the cone of light to see the slide. G. Illuminator- A light source‚ used to reflect light from an external light source up through the bottom of the stage. H. Coarse Focus Knob- Rough focus knob on the

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    Mini-Lab Report Essay

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    observing live specimens (yogurt and blood). Procedures: Exercise 1: Observation of prepared slides using the microscope. The observation of the 8 prepared slides was performed by making adjustments to the microscope (focus‚ condenser‚ light) in order to establish a clear image

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    lab 1

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    oil immersion lens while observing prepared bacterial slides and also to prepare slides for observable bacteria culture from yogart. Procedure: Exercise 1: Using the Microscope - Viewing Prepared Slides I started out by reading and reviewed the science lab safety reinforcement Agreement and the instruction to oil immersion lens. After setting up my lab station I view the six prepared slides with 10x and 40x objctives lens. In each slide the differences was magnification and the 40x lans gave

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    January 17‚ 5:00pm Objective(s): Our objective is to gain knowledge of the functions and operations of the microscope through observation of bacteria and blood slides that are available for this assignment. We are also learning to “see” and observe various bacteria and their shapes as well as live yogurt cultures‚ blood‚ plaque and cheek swab samples and their arrangements. We are to gain knowledge by observing blood and its cells so to be able to distinguish between blood cultures

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    Lens: Provides different focal lengths E- Stage: Holds the specimen or slide F- Diaphragm: Controls the volume of light reaching the specimen or slide G- Light Source: illuminates slide work H- Course Adjustment: For initial focusing of the viewing field I- Fine Adjustment: For final focusing of the viewing field J- Arm: Connects the base to the main tube; provides upright stability K- Stage Knobs or Clips: Adjust the slides position on the stage L- Base: Provides lateral stability for viewing

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    Lab 1 Week 1

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    microscope. One side is white‚ the other is black. It can be flipped around depending on the coloration of your specimen. C. Describe your observations from fresh yogurt slide you prepared in Part III. Several cells majority Bacillus and cocci cells. D. Were there observable differences between your fresh yogurt slide and the prepared yogurt slide? If so‚ describe them. Only perhaps that there was far more Cocci cells then Bacillus E. Describe the four main bacterial shapes 1. Cocci - Spherical

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