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which agent was most effective against the fecal coliform that was tested?
how does this agent kill bacterial cells?
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- I U Cardo 12 1三 ニ 三 rI TI3 4. 111 I. 5. What are the basic shapes of bacterial cells? What are the basic Know the terms. Which types of organisms have axial filaments? How would classify the following in terms of gram stain reaction and shape and arrangement of the cells Escherichia coli? Staphylococcus aureus? Streptococcus pyogenes? Bacillus anthracis? Do these organisms cause any important diseases? arrangements? you IIISulfur Indole Motility (SIM) Medium H2S produced, color and +/-: ______________________________ Indole present/Tryptophan hydrolysis, color and +/-: ___________________________ Motile or non-motile: _____________________________Oa blood -০9০- -hot-५pe ०fhemolysrs would miCrococcus reseushave? Bor
- Lophotoxin identify the species which releases the toxin (if it is man-made then this will be all that is required for this part) identify the step disrupted in the neuromuscular junction pathway Provide any consequences of this disruption. Does the toxin have any applications in biomedicine as a painkiller, disease treatment or analgesic? Provide your source in APA format for each. If this is missing no credit will be awarded.Detergents that are good micelle formers often have strongantibacterial properties. Considering the structure of thecell membrane, suggest a reason for this antibacterialaction.Salmonella typhi Cyanobacteria Name of Anabaena spiroides microorganism (Genus species) Morphology Colonies or single cells? Size estimation Cellular structures found in each Write a short compare and contrast paragraph between the microorganism you chose and Anabaena. This paragraph should be at least 3-4 sentences long and include at least two similarities and two differences for full credit.
- Match the expected result (purple, red, or colorless) to the following descriptions of Gram-stained cells. Choices may be used more than once--------- Pseudomonas aeruginosa after decolorizationAntibiotic Code Zone of Inhibition (mm) S, I, or R? Penicillin P 15 Streptomycin S 8 Ampicillin A 25 Chloramphenicol C 14 Bacitracin B 5 QUESTIONS: Which antimicrobial agent was most effective against your organism? Can you determine from your results whether this antimicrobial agent will also be most effective against another bacterium? Why or why not? Is this technique measuring bacteriostatic effect, bactericidal effects, or both? Explain. 4) Consider the following list of hypothetical antibiotics, tested against Escherichia coli in a Kirby-Bauer test: Antibiotic Zone of Inhibition (mm) Astonostatin 12 Bodaciosporin 25 Crazifloxacin 5 Dorkimycin 16 When the above antibiotics were tested as treatments for E. coli infections in humans, it was found that Dorkimycin has virtually no effect on the infection, while Astonostatin is the most effective of the four antibiotics listed. Propose an explanation for this result. Based purely on these…Corynebacterium xerosis ~1X 2 micron Notice: angular and palisades 中e-
- Why might clinical medicine have an interest in understanding bacterial cell division at the molecular level? Explain why a hyperthermophile would probably not be a human pathogen. Describe four factors that may have an influence on the effectiveness of an antimicrobial treatment. Explain why 70% or 80% alcohol is more effective than 100% alcohol in controlling microorganisms.Purpose Solve the identity of an unknown bacterial specimen by creating a dichotomous key and using the staining, culturing and biochemical identification procedures you have learned about during the semester. Possible Organisms Alcaligenes faecalis Enterobacter aerogenes Enterococcus faecalis Escherichia coli Proteus vulgaris Pseudomonas aeruginosa Salmonella arizoniae Staphylococcus aureus Staphylococcus epidermidis Staphylococcus saprophyticus Streptococcusbovis Streptococcus pyogenes You must write up your OWN dichotomous key for all the possible unknown organisms listed on above. Writing this key requires you use the same type of reasoning used in the Dichotomous key lab. The first step of the key will be the Gram Stain. Subsequent steps will include biochemical tests only. Please help me with this question. Thank you so much !Microorganism Type of Microorganism Gram Stain Shape Tryptic Soy Agar McConkey Agar Blood Agar EMB Agar Mannitol Salt Agar Bacillus cereus Bacillus megaterium Bacillus subtilis Candida albicans Escherichia coli Micrococcus luteus Neisseria sicca Proteus vulgaris Pseudomonas aeruginosa Serratia marcescens Staphylococcus aureus Staphylococcus epidermidis