the outer ring of the cell along with tiny circles inside the cell. “e” slide Appears to be an E with fuzzy outer layer I can see a small part of the “E” and the fuzzy outline appears clear. I can see only grey with specks here and there. Paramecium Appear to be divided with nucleus centers. I can see the division
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Lab Report #1: Observing Bacteria Microbiology Abstract: This lab exercise familiarized the student with the use of a microscope by observing and identifying various different slides under the microscope. The student practiced observing the given slides under the 10x‚ 40x‚ and 100x (oil immersion) objective lenses‚ which allowed for the identification of the different organism’s shapes and sizes. Purpose: The aim of this exercise is to equip the student with the knowledge
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Using the same steps as finding the size of the Paramecium specimen with the ocular reticle and the stage micrometer. Any object can be found by first adjusting the microscope for Kohler illumination and using the 10x objective lens to observe the object. Use the course focus knob and adjust until the object is clear. Afterwards switch the nosepiece into a higher objective and adjust the current magnification with the fine focus knob until the object is in an acceptable field of view. Using the ocular
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following: Lab 3-1: Light Microscope Basic microscope parts/functioning Identify prepared slides of the following organisms: Labs 3-3: Eukaryotic Organisms Identify prepared slides of the following organisms and/or structures: Protozoa: Amoeba‚ Paramecium‚ Plasmodium‚ Trypanosoma Algae: Diatoms‚ Spirogyra‚ Volvox Helminths: Tapeworm‚ fluke Fungi: Methylene blue stain of yeast cells (Saccharomyces)‚ sporangiospores of Rhizopus‚ conidiospores of Penicillium Staining Labs (3-6‚ 3-7‚ 3-8‚ and 3-9)
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lose water and become flaccid (floppy). If it keeps loosing water‚ water leaves the vacuole and membrane pulls away from wall. Becomes plasmolysed. Excytosis adds to the cell membrane while endocytosis removes part of the cell membrane. Paramecium Osmoregulation. This is the control of water inside a cell or organism. It is very important if you are a unicellular organism living in fresh water. Water is continually moving into the organism by osmosis (passive transport) and unless the
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1. Name and describe the life cycle of plants. The plant life cycle is consisted of two parts: the gametophyte phase where it produces gametes by mitosis and the sporophyte phase which produces spores by meiosis 2. Contrast the life cycle of plants to that of animals: Typical life cycle: alteration of generation (plants)‚ diploid (animals) Resulting structure from meiosis: spores-plants‚ gametes-animals Occurrence of mitosis: gamete production-plants‚ zygote to individual-animals 3. Compare
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is one cause of ringworm‚ and which can also infect nails. A common yeast infection is thrush caused by Candida albicans. Protozoa: are microscopic organisms‚ but larger than bacteria. Free-living and nonpathogenic protozoa include amoebae and paramecium. Examples of medical importance include: Giardia lamblia‚ which causes enteritis (symptoms of diarrhoea). Worms: are not always microscopic in size but pathogenic worms do cause infection and some can spread from person to person. Examples include:
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11-02-18 Classify … Shmalsify Clean this mess up… Aristotle 384-322 B.C. Two category System Plants & Animals Levels of Classification Why classify organisms? Kingdom Phylum Class Order Family Genus Species Humans: • King • Animalia • Philip • Chordata • Came • Mammalia • Over • Primates • For • Hominidae • Great • Homo • Spaghetti • Sapiens 1 11-02-18 Why are the The
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Kingdom Protista: Characteristics Mostly unicellular‚ eukaryotic cells Reproduce asexually or sexually by conjugation Exhibit all three modes of nutrition Photosynthesis Ingestion Absorption Ultimately spawned all multicellular kingdoms Very diverse kingdom Difficult for taxonomists to agree on classification Diverse Modes of Nutrition Use diverse modes of nutrition Ingest
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Names: ______________________________ ______________________________ ______________________________ ______________________________ Week 1 Lab Goals: 1. Choose your lab group. 2. Learn about lab safety. **IMPORTANT – All students are expected to wear a lab coat and goggles in lab at ALL times. As well‚ you are not permitted to wear shorts or open-toed shoes. If you are not dressed appropriately for lab‚ your TA will dismiss you. You are permitted to return to lab with proper attire
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