not alone in studying diphtheria. He met fellow bacteriologist Alexandre Yersin at the Pasteur institute of Paris. Yersin was born in Lavaux near Aubonne‚ Switzerland in 1863. Yersin studied much more that diphtheria in his time. He discovered Yersinia pestis‚ prepared serums against the plague in both humans and cattle‚ as well as studied cattle diseases such as tetanus‚ cholera‚ and small pox. Together Roux and Yersin were responsible for isolating the diphtheria toxin. The earliest description of
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Study Questions: Chapter 28 1.) Archaea and Bacteria are the oldest‚ structurally simplest and most abundant forms of life. 2.) Name and describe seven ways in which prokaryotes differ substantially from eukaryotes? Unicellularity- fundamentally single-celled Cell Size- can vary (large range changes with species) Nucleoid- lack a membrane-bound nucleus but rather a nucleoid region Cell Division/Genetic Recombination- binary fission (does not use spindle) and do not have a sexual cycle Internal
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A DOCUMENTORY REPORT AND PRESENTATION ON Bioterrorism and Its Impacts Seminar on Contemporary Issues in Management Module: - 3 Submitted to INDUKAKA IPCOWALA INSTITUTE OF MANAGEMENT (I2IM) M.B.A PROGRAMME Constituent of Charotar University of Science and Technology Presented by SWETANG PANCHAL ROLL. NO. 09/ MBA/22 DECLARATION I‚ SWETANG R PANCHAL hereby declare that the DOCUMENTARY REPORT OF ‘SEMINAR ON CONTEMPORY ISSUES IN MANAGEMENT’ titled “BIOTERRORISM”
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killed 50 million people in Europe it also ravaged Asia killing 25 million people. The Black Death is a type of plague called the Bubonic plague. Encyclopedia Britannica defines the Bubonic plague as‚ “an infectious disease caused by the bacterium Yersinia pestis. Bubonic plague is the most commonly occurring type of plague and is characterized by the appearance of buboes—swollen‚ tender lymph nodes‚ typically found in the armpits and groin.” The Bubonic plague has surfaced nine times in human history:
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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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Feudal system. The Black Death started in China‚ Asia. It travelled along the Silk Road and reached Europe by 1347. It was carried by fleas living on rats that were regular passengers on merchant ships. This disease’s scientific term is Yersinia Pestis carried by fleas infected by the Yellow river in China‚ Asia. One way in which the plague was disastrous for the people of Europe was it resulted in a high death toll. Many families had to abandon family members which was very misfortunate
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Chapter 22: Oral and Gastrointestinal Diseases Question Type: Multiple Choice 1) Feces are composed about 50% by weight and volume of bacteria. Most of these are species of ________. a) Salmonella b) Escherichia c) Bacteroides d) Streptococcus Answer: c Difficulty: Medium Learning Objective 1: LO 22.1 Review the anatomy of the digestive tract as it pertains to microbial defenses. Section Reference 1: Section 22.1 Components of the Digestive system 2) Streptococcus form ________ ‚ polysaccharides
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The black death was a devastating plague that spread throughout Europe from 1346 to 1353. It is estimated to have killed about 1/3 of the European population. During this time period‚ the chances of surviving were very slim. The bubonic plague was the largest and most destructive plague of the 14th century. The plague first arrived in Europe by sea in October of 1347 by Italian merchants who docked their ships at the Sicilian port of Messina. Most of the sailors aboard the ships were dead and those
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The Black Death‚ also known as the Black Plague‚ or the Bubonic Plague killed one third of the population of Europe during its reign in the 13th and 14th centuries. The arrival of this plague set the scene for years of strife and heroism. Leaving the social and Economic aspect in a standstill. The phantom of death became a subject of art‚ music and folklore and it influenced the consciousness of the people. The impact of this mass killer caused enormous chaos and havoc to the medieval society
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SCOPE OF MICROBIOLOGY: What is Microbiology? | � Microbiology is the study of microorganisms� Microorganisms‚ roughly‚ are living things that are too small to be seen with the naked eye� Microorganisms cannot be distinguished phylogenetically from �macroorganisms� (see variety of microorganisms‚ below)� Microbiology is more a collection of techniques: aseptic technique‚ pure culture technique‚ microscopic observation of whole organisms‚ etc.� Microbiologists
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