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 Specimen | Magnification | Observations | “e” | 150x | “e” is clear
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Rocky Mountain Spotted Fever Rickettsia rickettsia was named after the first person who discover Rocky Mountain Spotted fever‚ Howard Taylor Ricketts. The unicellular aerobic gram negative non-motile‚ non-spore forming‚ coccobacilli bacterium are 0.3-0.5 x 0.8-2.0 um. It is in the family Rickettsiaceae and order Rickettsiales of the α-Proteobacteria. It is a unicellular microorganism that lacks a distinct nucleus and membrane- bound organelles‚ while it is a three-layered cell wall and its outer
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ACTINOMYCETES. The name`actinomycetes’ was derived from greek `aktis’(a ray) and mykes(fungus) and given to these organisms form initial observation of their morphology. | | | |branched gram-positive bacteria‚ often found
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Microbiology Exam 1 Name_______________________ 1/30/07 1. (1 pt) Who was the first person to observe bacteria using a microscope? a. Lister b. van Leeuvenhoek c. Pastuer d. Koch 2. (2 pts) Which two of the following contribute to the opportunistic and infectious nature of bacteria? a. flagella b. ability to persist in unfavorable environments c. selectively permeable membranes d. fast growth e. ability to sense chemical gradients f. peptidoglycan 3. (1 pt) Capsules‚ sheaths‚ and
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sample was taken from a door handle to the George Lynn Cross Hall‚ which is touched by hundreds of students entering the building every day. The most important exercises performed include gram staining‚ which
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BSC 2010C.LAB TH 7-9:50pm 29 August 2013 Biology Lab Report Lab #1 –PROTEIN EXTRACTION LAB I. INTRODUCTION To begin the process of protein extraction and compare the results in a study‚ it is necessary to understand the importance of proteins‚ the process of extraction and how you are using the results to determine a rational conclusion. First understand proteins and the necessity of studying their impact. Proteins are essential molecules for biological functions and are the
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Access HP&S Biological Concepts Microorganisms and Biotechnology Use of Aseptic Technique Introduction Microorganisms (microbes) such as prokaryotes are the oldest life form that we know. Various forms have been discovered‚ not only to survive‚ but to thrive in the most hostile and extreme of environments and have been named extremophiles and various types of microbes are found in every niche of ecology. Due to their resilience and success at sustaining their existence‚ it has proven to
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It was found that quinoxaline- 2‚ 3-dione -6-sulphonyl benzimidazole (s) have pronounced effect as compared to plain quinoxaline -2‚3-dione against worms‚ the gram positive and gram negative bacteria. Among all the compounds‚ 2‚ 3-dioxo -1‚ 2‚ 3‚ 4-tetrahydroquinoxaline-6-sulphonyl (2-acetyl) benzimidazole have been exhibited good activity in the dose of 20 mg/ml against earth worm‚ bacteria and fungi like standard drug
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the plant possess antibacterial activity towards Bacillus cereus‚ B. pumilus‚ B. subtilis‚ Micrococcus kristinae‚ Staphylococcus aureus‚ Enterobacter cloacae and E. coli growth with MIC ranging from 0.5 – 5 (mg/ml) with the acetone extract showing higher activity. Chromatographic separation of the leaf ethanol extract by Erasto et al. (2006) yielded vernolide and vernodalol. The compounds exhibited a significant bactericidal activity against the Gram-positive bacteria (B. cereus‚ S. epidermidus‚ S
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DEVELOPING A CONVENIENT ANALYTICAL TECHNIQUE FOR THE QUANTITATIVE ESTIMATION OF RESIDUAL CTAB PRESENT IN HEAMOPHILUS INFUENZAE type b POLYSACCHARIDE Thesis submitted for the degree of Bachelor of Technology Biotechnology 1 BY 2 Mr. Sarthak Ranka 2 Under the guidance of 1 Dr. SURESH BERI ADDITIONAL DIRECTOR (PRODUCTION) Serum Institute Of India Ltd 212/2‚ Hadapsar Pune (MH)-411028 1 Submitted to
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