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based on the attached photo, compute the cfu/ml of 42 colonies at plate 10^5. show the complete solution and provide explanation.
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- PLEASE ANS ASAP 7. Typhoid fever is caused by a species of: a . Escherichia b. Campylobacter c. Shigella. d. Salmonella 8. At the end of the Gram -staining procedure , Gram -positive bacteria will be: a. blue to purple b . pink to red c. orange. d. green 9. Which one of the following types of culture media is selective and differential? a. Phenylethyl alcohol agar b . Blood agar c. Thayer-Martin agar d. MacConkey agar 10. Which one of the following methods of antimicrobial susceptibility testing combines some of the properties of two other methods and involves adding a plastic strip to the agar? a. Gradient diffusion method b. Agar macrodilution method c. Disk diffusion method d. Broth microdilution method 11. Most ATP molecules are produced during which phase of aerobia respiration? a. Fermentation b. Krebs cycle c. Glycolysis d. Electron transport chain 12. The goal of disinfection is to eliminate ____ whereas the goal of sterile technique is to exclude ____ a.…1. The colonies on a positive MSA plate would appear ________________. 2. Which of the following tests can be used to distinguish between Coliform and Non-coliform strains? Mannitol Salt agar Coagulase test McConkey agar Bile eschulin agar Simmon's Citrate agarA patient with presumed urinary tract infection(UTI) has a urine sample collected and sent tothe laboratory for culture. To encourage thegrowth of scant pathogens in the sample, anenriched medium may be used. Which of thefollowing are substances that may be presentin enriched media? Choose all that apply.a. serumb. hemoglobinc. vitaminsd. growth factors
- Bacteria should grow on plates with media containing . ..... to perform blue/white screening x gal kanamycin beta galatoside none AllWhich test require a straight line inoculation? Choose all that apply. A) Bile esculinase B) NaCl C) DNA hydrolysis D) Hemolysindiameter AM=47MM TE= 27 MM both left hand side is ampicillin and right hand side is tetracycline With reference to the table below, determine the antibiotic susceptibilities of different antibiotics against coli and S.aureus. S.aureus Antimicrobial agent Interpretive categories and zone diameter breakpoints, nearest whole mm sensitive Intermediate resistant Tetracycline >19 15-18 <14
- There are so many microbes in a single mL of culture, it is very difficult to perform one dilution to produce countable cells. Microbiologists need to perform a dilution series, where multiple dilutions are performed in sequence to arrive at the correct dilution. Dilutions are cumulative. Multiple the series of dilutions together to find the final dilution value. If 3 serial dilutions are performed, each with a value of 0.01, what is the cumulative dilution? Express your answer as an exponent, e.g. 0.1 would be 1e-1 and 0.01 would be 1e-22.1The number of bacteria in the samples need to be quantified. The laboratory uses a specificprotocol where the dilution factor on the spread plates must be:10-6; 10-7; 10-8Describe how you would prepare the required dilution series using the least amount of dilutionwater. 2.2 Calculate the amount of bacteria in the sample from the following results (show the steps in the calculation): Dilution factor Count10-6 27110-7 3510-8 21Idenitfy the statements whether they are TRUE or FALSE 1. You should use P-20 micropipettes to transfer volumes for spread plating. 2. You should use P-200 micropipettes to transfer volumes for pour plating.
- Medically Significant Bacteria: Causative Agent and Disease Profile ITEM IMPORTANCE OF BACTERIA PROFILE BACTERIAL PROFILE I MICROORGANISM/CAUSATIVE AGENT A GRAM REACTION B OXYGEN REQUIREMENT C SIZE D SHAPE E HABITAT F DISCOVERY G MICROSCOPIC IMAGE II DISEASE PROFILE A DISEASE/S B SYMPTOMS OF THE DISEASE C INCUBATION PERIOD D MODE OF TRANSMISSION E DIAGNOSIS F TREATMENT G PREVENTION H NO OF DAYS BEING SYMPTOMATIC I IMAGE OF INFECTED PATIENT GENERAL INSTRUCTIONS: Using the template provided above, fill out the information for a bacteria. YOU CAN CHOOSE ANY BACTERIA from 1-60 BELOW: List of medically significant bacteria Aerobic Gram (+) Cocci S. epidermidis S. saprophyticus Streptococcus pyogenes Streptococcus agalactiae Enterococcus(E. faecalis, E.…1. Give at least five observable metabolic activities or phenotypes of an organisms that are determined by the MicroSEQ™ ID microbial identification system. Please, do not just copy from somewhere. Answe this comprehensively.In the given below options which of the following is not one of the six “I’s”? a. inspection b. incubation c. identification d. inoculation e. illumination