Name: ____________________ Section: ___________________ Bacterial Morphology Pg 61 Part 1: Viewing Prepared Slides of Common Bacterial Shapes Familiarize yourself with each morphological type to use as a comparative tool for the remainder of the activity. Record your observations. Part 2: Disinfecting Your Area to Use Live Organisms: Part 3: Viewing Live Organisms – Wet Mount Preparation Record your observations. Part 4: Direct Staining: Record your observations
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MYCOLOGY David H. Ellis‚ Mycology Unit‚ Women ’s and Children ’s Hospital‚ Adelaide. Definition of fungi. The living world is divided into the five kingdoms of Planta‚ Animalia‚ Fungi‚ Protista and Monera. It is important to recognize that the fungi are not related to bacteria (Monera). To define the exact limits of the groups in a few words is virtually impossible‚ however generally speaking fungi are eukaryotica‚ heterotrophicb‚ unicellular to filamentous‚ rigid cell walledc‚ sporebearing organisms
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SU_BIO2071_W1_A2_Alimole_. A.doc. Exercise 1: Hanging-drop and wet-mount preparations How does true motility differ from Brownian movement? Brownian movement is the result of molecules of the suspending water bumping into the bacterium. This is an asymmetrical‚ spasmodic movement‚ which gives cells a vibrating look. This does not show proper motility. Correct motility is movement in a specific constant direction that shows winding and spinning. What morphological structure is responsible
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Labset Five Worksheet 1. List five environments where you are likely to find microbial growth: Lakes‚ soil‚ oceans‚ tundras‚ deserts 2. How do microbes contribute to soil fertility? The decomposition that microbes take part in help release mineral nutrients‚ such as potassium and nitrogen‚ from dead organic matter and allowing primary producers the nutritional access. They also produce CO2 and CH4 to release into the soil and atmosphere. 3. Describe the growth you observed in each of your
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experiment is to differentiate between prokaryotic and eukaryotic cells. Also to distinguish among plant‚ animal‚ and protest cells and identifying the organelles that are evident in them. Materials and Methods A wet mount with a sample of Elodea (a common pond weed) was prepared. The wet mount is prepared by placing a drop of water on a glass slide. A very small piece of the Elodea is placed in the water and covered with a slip cover. The slide was then placed under the light microscope and observed
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experiment‚ we have learned several basic molecular biology techniques. Here they are; Simple staining: Only one type of dye used for simple staining and it stains all cells the same color. Creating contrast between cell and background to observe cell morphology is aimed. Differential staining: A differential stain uses more than one dye and stains different kinds of organism with different colors. Positive staining: If cell itself is stained it is called positive staining. It sticks with specimen and
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shape to peanut shells in that their curvature. F. What are the common arrangements bacteria are found in? Cocci‚ Diplococci‚ streptococci‚ staphylococci‚ bacillus‚ diplobacillus‚ streptobacillus. G. Were you able to identify specific bacterial morphologies on either yogurt slide? If so‚ which types? I believe I could see cocci‚ and diplobacillus. H. Describe the cells you were able to see in the blood smear. Red blood
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_____________________________________________________________________ 1. Discuss the difference between yeasts and molds. Fungi seen in the clinical laboratory can be generally separated into two groups based on the appearance of the colonies formed: Yeasts: Moist‚ creamy bacteria-like‚ opaque‚ or pasty colonies on media. They reproduce by budding. (when they start budding‚ they cause infections) Molds (filamentous fungi): Fluffy cottony‚ woolly or powdery colonies on medium. They reproduce by sporulation. 2. Describe
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Observing Cells Objectives: After completing this exercise and reading the corresponding material in your text‚ you should be able to 1. Prepare a wet mount slide 2. Identify structures described in this lab on slides 3. Cite examples of the wide diversity of cell types 4. Relate differences in structure among cells to functional differences Introduction Structurally and functionally‚ all living things share one common feature: all living organisms are composed of cells
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Bacterial Morphology Demonica Britt Microbiology DL1 March 23‚ 2013 Abstract This lab was performed to identify and familiarize with a microscope while precisely observing various bacterial shapes and their arrangements in different types of specimens of bacteria. The microscope parts and capabilities were clearly identified and used successfully and the bacteria were clearly illustrated showing the bacterial shapes and arrangements with all the appropriate magnification being utilized. Through
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