kingdom Protista b. have petidoglycan in their cell walls c. belong to the domain Bacteria d. are prokaryotic ___2. Identify the correct format for writing the genus and species of a given organism? a. bacillus Cereus b. Escherichia Coli c. bacillus coagulens d. Streptococcus epidermidis e. Micrococcus luteus ___3. The “magic bullet‚” capable of killing a particular disease causing microorganism‚ was first isolated when a. Louis Pasteur and Robert
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against the bacteria by measuring zone of inhibition. Inhibiting concentrations used for all the extracts was 500 mg/ml. Methanolic extract of C. album was found to be most active among all other extracts and inhibits Staphylococcus epidermidis‚ Bacillus subtilis‚ Staphylococcus aureus‚ Escherichia coli. The extract of a mixture of solvents was also found to be effective in inhibiting Staphylococcus aureus. Methanolic extract of C. album was found to give a most clear zone of inhibition. The antibacterial
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FOOD QUALITY Quality * Relates to excellent product or services that fulfills or exceeds our expectations Food Quality * Includes all attributes that influence product’s value to the consumers. This includes‚ Negative attributes (e.g.spoilage‚ contamination with filth‚ discoloration‚ off odors & flavors; Positive attributes (e.g. origin‚ color‚ flavor‚ texture and processing method used -Food Quality is a term which may refer to several things: ♣ the extent to which food contains
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discovery hybrid seeds were bred within the same species of plants. Here is a quote off of the website: http://www.globalchange.umich.edu/globalchange2/current/workspace/sect008/s8g5/history.htm “Biotechnology‚ genetic modification‚ transgenic crops‚ bacillus thuringiensis‚ are words and phrases being tossed around in the debate on genetically manipulating food‚ but what does this all mean? The language of genetic manipulation can be one of the greatest barriers to many people’s understanding of the technology
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Salmonella is a bacillus bacteria from the Enterobacteriaceae family which can be devided into two species which is Salmonella bongori and Salmonella enterica‚ and another six subspecies can be divided from the species of Salmonella enterica‚ which are enterica‚ salamae‚ arizonae‚ diarizonae‚ houtenae and indica. Salmonellae are found globally in all types on animals‚ and also in the environment. From an article researched‚ proposed by C. Wray and A. Wray‚ it is stated that one of the main habitat
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Genetically-modified foods (GM foods) have made a big splash in the news lately. Euro- pean environmental organizations and public interest groups have been actively protest- ing against GM foods for months‚ and recent controversial studies about the effects of genetically-modified corn pollen on monarch butterfly caterpillars1‚2 have brought the issue of genetic engineering to the forefront of the public consciousness in the U.S. In response to the up swelling of public concern‚ the U.S. Food and
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Case Study: Tuberculosis 1) What is Tuberculosis? Tuberculosis (TB) is a contagious bacterial infection caused by Mycobacterium tuberculosis. It mainly affects the respiratory system by mainly damaging and destroying lung tissue but can affect other parts of the body. It also suppresses the immune system making the body less able to fight any disease. 90% of people who are infected develop latent TB‚ which is were the bacteria are present in the body but are not active. This means the people
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Bacteria shooting toxins that attack the lining of the intestines‚ causing a condition called Clostridium difficile colitis. Taxonomy Phylum Firmicutes‚ Class Clostridia‚ Order Clostridiales. Family Clostridiaceae‚ Genus Clostridium. Historical synonym: Bacillus difficile. Morphology Gram-positive‚ straight rods‚ motility is variable‚ have a flagella. Spores are oval‚ sub terminal swelling the cell. Cultural characteristics Colonies on blood agar plates are circular‚ flat or low convex‚ opaque‚
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Unicellular/colony-forming/filamentous Formation of spores/Division by transverse binary fission Importance as human pathogens or not 5.) Name the domains of life. Archaea Bacteria Eukarya 6.) Name and describe 3 basic forms of prokaryotes. Bacillus (rod-shaped) Coccus (spherical/ovoid-shaped) Spirillum (long and helical-shaped) 7.) The bacterial cell wall is the single most important contributor to cell shape. 8.) Prokaryotic cell walls are constructed of many layers‚ which is formed from
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purpose of the immunity enhancement based on a strain of lactic acid bacteria. My latest project is the fermentation of tyrothricin (a kind of antibiotics) and I am writing an English paper entitled "Optimization of the production of tyrothricin by Bacillus brevis with response surface methodology". Thus‚ my scientific thinking has been solidly and strictly trained in independent research‚ meanwhile‚ my innovative spirits greatly improved. Additionally‚ I received two professional training last year
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