accepted demonstration of bacterial transformation‚ where a bacterium distinctly changes its form and function. Griffith succumbed to his death around the year 1941 due to the air raid. His Purpose and what he derived? Griffith showed that Streptococcus pneumonia‚ could transform from one strain into a different strain. The observation was attributed to an unidentified transforming principle of transforming Factor. This was later identified as the stuff of life “DNA” The Experiment Griffith’s
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conduct could result to something catastrophic. Due to the nature of this proposed research‚ potential issues may arise since the resistant strain of Streptococcus pneumoniae is the key factor in the significant increase of morbidity and mortality rate globally. For instance‚ the proposed research of studying the resistant strains of the Streptococcus pneumoniae can lead to a potential new antibiotic (Science and Social Responsibility - Dual Use Research). Despite the many benefits that may derive
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Cellulitis is a bacterial infection that affects the skin and the tissue underneath the skin. Although cellulitis can be caused by many types of bacteria‚ streptococcus and staphylococcus are the main bacteria that cause this condition. Cellulitis often develops near surgical wounds or ulcers. This condition causes the skin to become reddened and swollen. It also causes the area to feel tender and hot. Cellulitis can quickly spread to other areas of the body. It is not contagious. Cellulitis can
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http://www.innerbody.com/anatomy/cardiovascular/common-iliac-vein HealthTeacher (2012). “Respiratory System.” Retrieved from http://www.healthteacher.com/content/id/51/topic/11 Medical Dictionary (2012). Streptococcus. Retrieved from http://medical-dictionary.thefreedictionary.com/Streptococcus MedicineNet (2012). Definition of the Femoral Vein. Retrieved from http://www.medterms.com/script/main/art.asp?articlekey=10783 National Heart Lung and Blood Institute (2012). “What Causes Pneumonia.” Retrieved
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BACTERIA Period: 4 Characteristics: 3 major shapes Cocci Basilli Spirilla 3 major components Mesosomes flagella Plasmids Growing Up: Bacteria can obtain energy through phototrophs(sunlight)‚ lithotrophs(inorganic compounds)‚ and organotrophs(organic compounds) Marriage/Reproduction Binary Fission: The process by which all bacteria reproduce. It results in the separation of a single cell into two. Transformation: genetic alteration
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the germs it can also make it harder for the lungs to pass oxygen into the bloodstream. What causes pneumonia are many different kinds of bacteria‚ viruses and‚ occasionally‚ fungi can cause pneumonia. The most common cause is a bacterium called Streptococcus pneumoniae‚ but in individual cases of pneumonia the cause is often not known. Some of these bacteria can live in the nose or throat without causing problems‚ and in most cases it is not known why they then suddenly make people ill. Others can
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have been supplemented with 5% sheep red blood cells. BAP tests the ability of an organism to produce hemolysing enzymes that damage/lyses red blood cells (erythrocytes). The degree of hemolysis is helpful in differentiating members of the genera Streptococcus. Which Hemolytic activity‚ classified
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Virtual Lab: Classifying Using Biotechnology Worksheet NOTE: As you read the information in the Microbiology Handbook‚ there may be some terms you are not familiar with – such as 16s ribosomal RNA and Polymerase Chain Reaction. Refer to your text to read background material explaining any terms or processes with which you are not familiar. Record the results of your investigations of each unknown in Table 1 by completing the following steps: 1) Apply the stain to your first
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in fascial planes of connective tissue that results in tissue necrosis (dead and damaged tissue). The disease occurs infrequently‚ but it can occur in almost any area of the body. In many cases have been caused by Abeta-hemlytic streptococci (Streptococcus pyogenes)‚ and many different bacterial genera and species‚ either alone or together (polimicrobial) can cause this disease. Also in some cases mycotic (fungal) species causes necrotizing fasciitis. In the 1840 to 1870 this condition was described
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Fundamental of Human Nutrition. Topic: Prebiotics and Probiotics Prebiotics: Definitions: “A non-digestible food ingredient that beneficially affects the host by selectively stimulating the growth and/or activity of one or a limited number of bacteria in the colon‚ and thus improves host health.” Or “A selectively fermented ingredient that allows specific changes‚ both in the composition and/or activity in the gastrointestinal micro flora that confers benefits upon host well-being and health
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