food poisoning from the salmonella in the uncooked burgers. The reason they got food poisoning is because the inside of the burgers weren’t cooked enough or properly so the bacteria didn’t get killed inside the burgers. The burgers would have you be cooked at above 170 degrees Celsius‚ and as the heat didn’t kill the bacteria‚ it entered the body. As Chloe’s dad only cooked the burgers on a high hear for a very short amount of time‚ he burnt the outside without heating the inside of the beef burgers
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inoculated in a Tryptic Soy broth medium was randomly selected from a group of other unknowns. In order to identify this unknown the seven different types of biochemical tests will be conducted on this unknown bacterium to identify it out of 6 possible bacteria; Escherichia coli(E. coli)‚ Enterobacter aerogenes (E.aerogenes)‚ Klebsiella pneumoniae (K.pneumoniae)‚ Proteus mirabilis(P.miranilis)‚ Pseudomonas aeruginosa(P.aeruginosa)‚ and Salmonella typhimurium (S.typhimurium). The biochemical tests utilized
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surroundings and taken up through the cell membranes. This was first demonstrated in 1928 by Bacteriologist Frederick Griffith (Lederberg 2000).A plasmid is a small circular piece of DNA that contains important genetic information for the growth of bacteria. In a recent study‚ students tested the response of the arabinose operon promoter from E.coli to two different carbon sources. They directly observe the effects of these sugars on gene expression by monitoring the ability of the transformations to
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Methanolic Extract of Eggplant (Solanum melogena) Peel as a Dye Pigment in Differential Stains Azucena‚ Alexis G. An Official Entry to 2010 Regional Science Fair Cluster 2 Physical Science- Individual Negros Occidental National Science High School January 13‚ 2011 Ma. Melanie P. Romero Research IIB Adviser APPROVAL SHEET The research paper attached hereto‚ entitled‚ “Methanolic Extract of Eggplant (Solanum melogena) Peel as a Dye Pigment in Differential Stains”‚ prepared and submitted
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after the fusion of two haploid or 1N prokaryotic cells. Others propose that the domains Archaea and Eukarya emerged from a common archaeal-eukaryotic ancestor that itself emerged from a member of the domain Bacteria. Some of the evidence behind this hypothesis is based on a "superphylum" of bacteria called PVC‚ members of which
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The Effectiveness of Antimicrobial Agents Bacteria: Clearasil and Proactive Veronica Hillgren 11/16/12 FRI AM Question/ Hypothesis The purpose of my experiment is to find and compare the efficiency of Proactive™ and Clearasil™ acne products on certain bacteria. For myself‚ Clearasil™ works better than Proactive™ does when exposed to my pores‚ which are infested with bacteria. However‚ Proactive™ is widely known and has a large amount
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salmonella bacteria can life for a semi-long period outside a host body -once salmonella has entered the body (through contaminated foods or coming in contact with infected feces) the bacteria will begin to grow R -salmonella reproduces asexually through binary fission Binary fission- subdivision of a cell ‚ single stranded DNA replicates then attaches to opposite ends of the cell and then the cell pulls part -Through reproduction‚ two identical cells are formed from the original bacteria -Reproduction
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out how Erythromycin‚ Penicillin‚ and Ampicillin are affected by the bacteria Serratia marcescens. Our hypothesis is that Penicillin will have the largest ring of inhibition‚ the ring around the disk where the antibiotic has killed bacteria. We believe Penicillin will be the most common antibiotic that we have heard of. The materials we used to make this test possible consists of a sterile nutrient agar Petri dish‚ the bacteria Serratia marcescens‚ Erythromycin antibiotic disk‚ Ampicillin antibiotic
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BACTERIA. CLASSIFICATION Bacteria are extremely small and some can be just seen with the naked human eye. They are much smaller than eukaryotic cells but are still very complex despite their size. .the cell is surrounded by a cell membrane that enclosees the bacteria cell. They are single celled organisms. Bacteria are prokaryotic cells and therefore do not have a nucleus and do not have a lot of organelles like: mitochondria‚ chloroplasts‚ and other organelles that are usually found in eukaryotic
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IIR : 1. Inject mouse with live type IIIS bacteria - Mouse died and Type IIIS bacteria were recovered from the mouse’s blood. 2. Inject mouse with live type IIR bacteria - Mouse survived; No living bacteria isolated from the mouse’s blood. 3. Inject mouse with heat-killed type IIIS bacteria - Mouse survived; No living bacteria isolated from the mouse’s blood. 4. Inject mouse with live type IIR + heat-killed type IIIS cells - Mouse died; Type IIIS bacteria recovered from the mouse’s blood Copyright
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