Unknown Experiment Introduction: The purpose of this experiment is to distinguish and indentify an unknown bacterium. There are several tests that can help one eliminate and narrow down the options. The most useful test‚ and the very first one done‚ is a gram stain. This test will tell whether the bacterium is gram-positive or gram-negative. After the type of gram stain is identified‚ the tester has a wide array of differentiating tests at their disposal. Based on the results from these
Premium Bacteria Microbiology Meningitis
Isolation of Bacteria in our Physical Environment Introduction: The purpose of the lab is to apply what has been learned so far in Microbiology‚ and use it to collect and examine microbial species from the physical environment. The physical environment around the lab will be utilized to find out the variety of different microbial species growing in and around the lab. This investigation will help in preparation for the individual projects that will be done at the end of the semester. Materials
Premium Gram staining Bacteria Microbiology
I was able to come to the conclusion that my unknown is Klebsiella pneumoniae through the use of Bergey’s Manual. After performing a gram stain of my unknown I was able to determine that my unknown was a gram-negative rod. While testing the oxygen requirements my test tube had growth throughout the tube‚ indicating my unknown was a facultative anaerobe‚ which can grow in the presence or absence of oxygen. The most important test was whether my unknown was motile or nonmotile. My test tube only showed
Premium Bacteria Microbiology Escherichia coli
Lab Report: Effects of Lysozyme Introduction: This report discusses an experiment that was done to demonstrate the effects of lysozyme on populations of Gram positive and Gram negative bacteria. Bacteria have a cell wall composed of peptidoglycan that gives the wall its strength. Gram negative bacteria have and extra component of lipopolysaccharide (LPS)‚ that is stabilized with magnesium ions‚ to their cell wall that further protects them. When Gram positive bacteria are treated with lysozyme
Premium Bacteria Staining Microbiology
The purpose of this exercise was to use our skills we have learned in the lab to identify two unknown organisms. PROCEDURE I was given unknown #76. I performed the streak plating method with my unknown organisms. To perform this exercise I needed a TSA plate and labeled the bottom of it with my name‚ group number and organism. I also divided the bottom into three sections. After that‚ I sterilized my inoculating loop using the bunsen burner flame. After letting the loop cool‚ I reached into my
Premium Bacteria Staining Gram staining
Unable to read the Gram Stain at first it was later confirmed that Unknown #7 was a gram negative bacteria. When introduced to Starch Unknown #7 produced no zone of clearing showing that it did not contain the enzyme amylase. When introduced to the Lipid Unknown #7 did produce a zone of clearing indicating that it did contain the enzyme lipase. When introduced to Casein Unknown #7 produced no zone of clearing indicating that it did not contain the enzyme protease. When streaked onto the Gelatin‚
Premium Bacteria Gram staining Staining
Biological Weapons: 1. Why are biological weapons the ’poor man’s weapon’? Relatively easy to deploy Low cost International treaties prohibit biological warfare But that doesn’t mean no one does it! What is the difference between biological warfare and bioterrorism? Sanctioned use of biological weapons by nations during war Bioterrorism Use of biological weapons by nonstate government groups Cults‚ militants‚ individuals 3. Is biological warfare a new idea? Know examples
Free Biological warfare
Biological Weapons: Smallpox Used as a Weapon? Joshua Walker SCHOOL Biological Weapons: Smallpox Used as a Weapon? In the last decade‚ members of various governmental anti-terrorism agencies and the department of homeland security in the United States have discussed the significant possibility that the Smallpox virus will reemerge as an act of bioterrorism by enemies of the United States. Major concern of this virus initially developed after the terrorist attacks employed
Premium Biological warfare World War II Infectious disease
What is the current threat to the United States either biological or chemical weapon? Why The current threat can either be biological or chemical. Both would cause disaster to the American society. Potentially biological warfare could be more harmful. As stated‚ Biological agents are difficult to control but relatively easy to produce. Terrorists may find them to be effective weapons.(White‚ 2012) p.139 WMD can easily kill a multitude through a simple epidemic. If an insurgent can access our
Free Nuclear weapon World War II Biological warfare
of chemical weapons dumping by the Japanese Army in China is thought to be just as severe. Biological Weapons While many of the chemicals used in war break down relatively quickly‚ biological weapons pose an even greater threat than chemical weapons because it may be impossible to reverse the effects of an organism that has been unleashed into the environment. The fear of an attack from biological weapons is greater than ever because‚ of all weapons of mass destruction‚ they are the easiest
Premium Biological warfare Epidemiology Vietnam War