What information do you get from these controls to give you confidence in your results? How does growth on an unopened plate affect the reliability of the other plates that were inoculated in this experiment?

Q: Which of the following contributes the least to the rapid spread of antibiotic resistance among…

A: Antibiotics are some kind of medicines that helps in preventing infections that can be developed by…

Q: 1 (a)Why is the spectrophotometer set at 0.000 absorbance for the uninoculated tube of broth? (B)…

A: A spectrophotometer is an instrument that measures the number of photons (light intensity) absorbed…

Q: When testing the sensitivity of antibiotics using the Kirby-Bauer method, the Petri Dish with…

A: The Kirby-Bauer test, known as the disk-diffusion method, is the most widely used antibiotic…

Q: Based on the result of the Chi-square test, does the observed number of kanamycin resistant colonies…

A: In order to allow growth on plates containing the antibiotic kanamycin, we transformed E. coli cells…

Q: What are the 2 most important reasons for using a positive control in Microbiology tests? What are…

A: A control test is used to set a reference for comparison in microbiological tests. It helps the…

Q: Why would not the size of the inhibition in the Kirby-Bauer test directly relate to the comparative…

A: In Kirby–Bauer testing, discs containing antibiotics are placed on agar where bacteria are growing,…

Q: What salt did Meselson and Stahl use for their ultracentrifuge gradients? O NaCI O NH4CI O CSCI O…

A: Given: DNA replicates semiconservatively. Matthew messelson and Franklin stahl performed an…

Q: Hello, I want you pleaseeee to make a dichotomous key based on provided experiments to identify a an…

A: The method of identifying an unknown bacterium is a precise one, requiring cautious perception and…

Q: Step #1 Culture and perform a Gram-stain on the Super Bug You culture the Super Bug by swabbing the…

A: Bacteria are simple unicellular prokaryotic microorganisms that lack membrane bound organelles and…

Q: During the Lederberg and Tatum experiment, theresearchers compared the growth of mutant strains…

A: Conjugation is the process by which bacteria transfers its genetic material to the other bacteria by…

Q: Questions 1. The data from the experiment Dr. Trudeau describes is shown below in Figure 1. Graphs…

A: The experiment has done with three kinds of rabbits. The rabbits are placed in three different…

Q: If you increase the sample size (n) of a sample, will the following values increase, decrease,…

A: Answer :  1. When n increases, the standard error of the sample mean will decrease. This is due to…

Q: Complete the following questions for your gram negative rod unknown organism (a) What test did you…

A: The gram-negative rod group is a diverse and extensive category of bacteria characterized by their…

Q: Record the zones of inhibition in the chart above. Which, if any, of the drugs would you prescribe…

A: Antimicrobial agents are compounds used in order to treat infectious diseases as they have the…

Q: For a binomial experiment, how many outcomes are possible for each trial? What are the possible…

A: Antimicrobial is utilized to portray substances which exhibit the capacity to diminish the presence…

Q: Dilution Problem. A culture was diluted as follows: (1) 50mL are added to 100mL of water. (2) 1mL…

A: It refers to the process of reducing the concentration of a substance in a solution by adding more…

Q: Write a plausible hypothesis for experiment 1. 2. what is the dependent variable in the Rabbit…

A: A hypothesis is regarded as a probable answer to an observation or question. It is a testable…

Q: A 7 dilution is performed on a culture of bacteria in order to perform viable plate counts. From the…

A: Stock solutions of bacteria are too concentrated. The concentration and thereby the number of…

Q: A COVID-19 test, which produce result in 10 minutes, has the following test characteristics. The…

A: This question involves analyzing the test characteristics and predictive values of a COVID-19 test…

Q: ackground order to determine whether a newly synthesized chemical might be a useful food…

A: Standard plate count can be used for determining the total viable cell count of a sample.

Q: How does gel filtration work? What are the applications of analytical versus preparative versions…

A: Chromatography is a technique for separating a mixture in the laboratory. The mixture is dissolved…

Q: Biochemical and differential tests can be incorporated into growth media or performed on isolated…

A: It is required to provide three examples of differential test that is incorporated into growth media…

Q: At 25°C incubation, what color are colonies of Serratia? red Micrococcus? Yellow At 37°C incubation,…

A: Incubation temperature is a key factor in the development and properties of bacterial colonies in…

Q: Why is reproducibility of pipetting critical in performing serial dilutions?

A: Introduction :- The movement of liquids from one place to another would be risky and messy without a…

Q: Q1: What is the difference between MRSA and VRSA? Q2: Why is there a clear zone (the “zone of…

A: Bacteria are single-celled prokaryotes ubiquitous in nature. As such, they can be found in different…

Q: A relatively large zone of inhibition surrounding an antimicrobial disk on a Kirby-Bauer test plate…

A: The Kirby-Bauer test was developed by William Kirby, A. W. Bauer and their colleagues. It is also…

Q: This is a walk-through of Minimum Inhibitory Concentration, MIC: This tray has 8 rows, 4 for…

A: Minimum Inhibitory Concentration (MIC) assay is used to determine the minimum concentration of an…