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Which is a better indicator for Salmonella - coliforms or E. coli? Explain your choice.
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- Why are coliforms better indicator of salmonella rather than E. coli?What are THREE indications of a high coliform counts in a food product?Food poisoning can be divided into two categories: food infection and food intoxication. On the basis of toxin production by bacteria, explain the difference between these two categories.
- High risk foods for spreading bacteria are those that contain high levels of protein. True or False?Give typing answer with explanation and conclusion It has been determined that a patient is suffering from E.coligastro enteric infection. If you were the physician, would you prescribe (circle one) a. Tetracycline (TE), b. Trimethoprim (TMP), c. both, d. neither,Kligler’s Iron Agar:Q10) Give me the expected results for Pseudomonas aeroginosa, Salmonella typhimurium, and Escherichia coli. Pseudomonas aeroginosa, Salmonella typhimurium Escherichia coli.
- A patient has bloody diarrehea and takes left over penicllin in a medicne cabinet. The culprit causing the infection turns out to be E. coli of a hemorrahgic variety that is Penicllin resistant. Why is the patient is worse condition now?which agent was most effective against the fecal coliform that was tested? how does this agent kill bacterial cells?Write an introduction(a paragraph and a half) about coliform
- Choose the correct option. Enzyme composition of succus entericus is best represented by : 1.Trypsinogen, Nuclease, Maltase 2.Nucleosidase, Lipase, Lactase 3.Enterokinase, Amylase, Mucus 4.Dipeptidase, Nucleosidase, ChymotrypsinEXPLAIN THE PURPOSE OF THE METHYL RED AND VOGES-PROSKAUER TESTS IN DETERMINING THE IDENTITY OF GRAM NEGATIVE ORGANISMS IN THE FAMILY ENTEROBACTERIACEAE. INCLUDE IN YOUR ANSWER WHY METHYL RED IS USED RATHER THAN PHENOL RED. WHAT ORGANISM IN THE FAMILY IS USED AS A CONTROL WHEN RUNNING THE METHYL TEST. IF THE METHYL RED TEST IS NEGATIVE, EXPLAIN WHY THE VOGES-PROSKAUER TEST IS RUN AND INCLUDE WHAT COLOR CHANGE INDICATES A POSITIVE TEST. ACCOUNT FOR THE COLOR DIFFERENCES IN THE NEGATIVE VOGES-PROSKAURER TESTS. WHAT REAGENTS (COMMON NAME) WERE USED IN THE VOGES -PROSKAUER TEST.State the significance of E. coli O157:H7.