Determine the number of bacterial cells per ml. in the original culture. 1ml 1ml 1ml 1ml 99ml 99ml 99ml 99ml original specimen E. coli 1ml 0.1ml 1ml 0.1ml 1ml 0.1ml too many to count >500 128 12 0 colony counts
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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 III4. Bacterium Q had the lab results below. What can you tell me about the protein metabolism of this bacterium? Which protein and amino acids can it catabolize, among gelatin, urea, phenylalanine, sulfur-containing amino acids and tryptophan? ________________________________________________ Can it desulfur proteins? _______________________________________ Can it produce NH3 from the amino acid phenylalanine?| 13 1 14 15 1 16. 17 1 18 1 What color would the bacterial cells have when viewed microscopically after the following treatment? Gram reaction Ammonium Gram's iodine Ethyl Alcohol Safranin oxalate Crystal violet Gram positive Gram negative
- 1:07 < Вack Untitled 6 Brownian movement of bacteria: O a. Can be observed by the of soft agar technique O b. Can be observed by staining of Staphylococcus aureus Oc. Is common in Escherichia coli or Proteus vulgaris O d. Is common in Staphylococcus aureus O e. Can be observed at the edge of a microscope CLEAR MY CHOICEBacteria should grow on plates with media containing . ..... to perform blue/white screening x gal kanamycin beta galatoside none AllOa blood -০9০- -hot-५pe ०fhemolysrs would miCrococcus reseushave? Bor
- 1. The colonies on a negative MSA plate would appear _____________. 2. "E. Coli and S. epidermidis were chosen to represent Gram-negative and Gram-positive bacteria, respectively. For a given antibiotic, is there a difference in susceptibility between the Gram-positive and Gram-negative bacteria?" "No, they are usually similar" "yes, drugs that target the cell membrane are more effective on gram negatives" "yes, drugs that target the cell wall are more effective on gram negatives" "yes, drugs that target the cell wall are more effective on gram positives" how can I tell the differenceWT E. coli B Lysate titer on B K pfu/ml 10⁹ 10⁹ 0.1 m.u. 0.2 m.u. 0.5 m.u. 1.0 m.u. rll#x 2.0 m.u. E. coli B Lysate titer on B K 10⁹ 103 ril#y E. coli B Lysate titer on B 10⁹ K 10² rll#x E. coli B Mutations rll#x and rll#y are separated by how many map units? Lysate titer on ril#y B K 10⁹ 107Font Paragraph Styles 12. What class of Biosafety Cabinet is shown below? C A I Room air Contaminated air HEPA-liltered air Side View
- Below are the results of our disc diffusion study using antiseptics and disinfectants. Use the results to answer the following questions: Lab Lab Lysol 1:10 diluted Disinfectant Isopropanol soap Tincture bleach of iodine ISP T of I BL DIS SO LYS Diameter in mm of zone of inhibition E.coli 40 mm 20 mm 10 mm 15 60 mm Bacillus 50 mm 35 mm 15 mm 8 70 mm cereus 20Bacteriophage A average = 136 plaques Bacteriophage B average = 38 plaques Bacteriophage C average = 27 plaques Please help find the PFU/ml and answer the question on the best bacteriophage. ThanksAnswer the following questions in full sentences and paragraphs: 1. Diagram (draw) the Gram positive cell wall. Be sure to label specific components of the structure. What is the medical significance of LTAs? 2. Diagram (draw) the Gram negative cell wall. Be sure to label specific components of the structure. What is the medical significance of LPS? What is the medical significance of the O-linked side chain?