Canada Spees Lab 2 Prokaryotes Purpose: Performing this lab will help me better understand the characteristics of prokaryotes and compare them with eukaryotes. This lab will also help me visualize and better understand the physical description‚ and the different types of bacteria and how they stain‚ whether it be gram positive or gram negative. Hypothesis: If I read the textbook and use the resource websites‚ then I will be able to better understand prokaryotes and describe the structural characteristics
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BACTERIA | GRAM-POSITIVE BACTERIA * Alpha and gamma hemolysis on blood agar * Bacillus cereus colonies on blood agar * Beta-hemolysis on blood agar (S.aureus) * Beta-hemolysis on blood agar * Beta-hemolytic colonies on blood agar * Clostridium perfringens Gram stain * Corynebacterium diphtheriae Gram stain * Corynebacterium pseudotuberculosis on blood agar * Enterococcus faecalis * Enterococcus faecalis on blood agar * Enterococcus faecalis Gram stain * Enterococcus faecalis SEM
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what sort of poisoning is likely? How have you reached this conclusion? It was most likely the result of: a. Staphylococcus aureus. The chickens got in contact with human who carries disease‚ in this case most probably from the chef b. Clostridium perfringens. The cooked chickens were left in room temperature on the bench until the next morning (slowly) c. Salmonella. After all it is poultry‚ and was not cooled rapidly after cooked nor hel at 60⁰C 3. What would be the symptoms of this type
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Exercise 5 Introduction: Many different species of bacteria look similar under the microscope and also have the same staining results (ex. Gram stain). To be able to differentiate between the different species‚ one can look at the metabolic differences (fermentation)‚ as well as the environmental condition differences (temperature‚ pH‚ oxygen requirements). Being able to manipulate these conditions in a controlled environment can help to correctly identify the exact bacteria. Different media
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Choose one of the following foodborne illnesses to complete this assignment: * Salmonella * Staphylococcus * Clostridium perfringens * Norovirus (formerly Norwalk virus) * Hepatitis A * Giardia or amoeba parasites Write a 125- to 150-word response to each of the following questions: * What is the infectious agent (pathogen) that causes this infectious disease? For example‚ the name of the bacteria‚ virus‚ or parasite. Salmonella comes from bacteria called salmonella
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while other bacteria absorbs nutrients from the organism they live on or in. There is good bacteria and more dangerous “bad” bacteria. Bad bacteria can be dangerous to other species. Some examples of dangerous bacteria include the following: clostridium perfringens‚ listeria monocytogenes and
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Chapter 19: Diseases of the Skin and Eyes; Wounds and Bites Question Type: Multiple Choice 1) The majority of organisms normal to the skin are: a) Gram-negative b) Gram-positive c) fungi d) viruses Answer: b Difficulty: Easy Learning Objective 1: LO 19.1 Review the anatomy of the skin and mucus membranes with regards to microbial defenses. Section Reference 1: Section 19.1 The Skin‚ Mucus Membranes‚ and Eyes 2) Which of the following is not considered resident microflora of the skin?
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1. When handling food‚ jewellery should be; a. kept in good repair b. worn only for low risk jobs c. left at home or in your locker d. removed at peak times 2. If the temperature of frozen fish is 1°C on delivery‚ what action should you take? a. Put the fish straight into the freezer b. Refuse to accept the delivery c. Fully defrost and cook the fish d. Cook the fish and serve the same day 3. Which of the following is most important when using disinfectants? a. follow the manufacturer’s instructions
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introduced to the products (Hossain et al.‚ 2010; Thi et al.‚ 2013). It has been found that the initial biota of herring fillet are dominated by Shewanella putrefaciens and Pseudomonas species. In addition‚ E. coli‚ Staphylococcus aureus and Clostridium perfringens have been identified from raw frozen seafood. A prevalence study of Aeromonas on catfish in a processing plant showed the predominance of Aeromonas and Pseudomonas spp.‚ Staphylococcus aureus‚ faecal coliform‚ E. coli and Salmonella in different
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The Research of Nazi Germany Origins The rise of the Nazi Party began with the appointment of Adolf Hitler as chancellor of Germany by President Paul von Hindenburg on January 30‚ 1933. Soon after his appointment‚ Adolf began to prepare the state for Nazi rule. The Nazi party was guided by authoritarian principles and began to invoke a Volk society in which religious and class differences would be eradicated. Any political enemies of the Nazi party were subject to intimidation and legislation
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