3. Each bacterial species shows different antibiotic susceptibility. What can you say about the bacteria that...
3. Each bacterial species shows different antibiotic susceptibility. What can you say about the bacteria that you grew?
Homework Answers
The bacteria that we grow came from a mixed culture so that the bacterial species have different antibiotic susceptibility.
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3. Each bacterial species shows different antibiotic
susceptibility. What can you say about the bacteria that...
Procedure Four different colors of beads, representing four species of bacteria, all possible residents of the...
Procedure Four different colors of beads, representing four species of bacteria, all possible residents of the microbiome, will be utilized. The species differ naturally in their resistance to a particular antibiotic. Three different antibiotic treatment regimens will be modeled: following doctor’s orders ending antibiotic treatment early skipping Day 3 of treatment Your initial population of bacteria is represented as follows: 40 beads that represent Species 1, the most susceptible to the antibiotic (susceptible on Day 1 of treatment) 30 beads...
One colony of bacteria typically comprises of several different bacterial species. True False
One colony of bacteria typically comprises of several different bacterial species. True False
In practical 5 you exposed an unknown bacteria to four different bacteriophage. Susceptibility of the bacteria...
In practical 5 you exposed an unknown bacteria to four different bacteriophage. Susceptibility of the bacteria will be determined by observing for the production of plaques. Describe how these plaques are formed
What are the different types of bacterial mutants: auxotrophic, carbon source, antibiotic-resistant, and temperature sensitive? How...
What are the different types of bacterial mutants: auxotrophic, carbon source, antibiotic-resistant, and temperature sensitive? How could you select any of these mutants? In what kind of medium would they grow/not grow? In what kind of medium could you distinguish/not distinguish them from wild type bacteria?
What is meant when you say that a bacterial population is tolerant to antibiotics? What is...
What is meant when you say that a bacterial population is tolerant to antibiotics? What is the significance of antibiotic tolerance for individuals who take antibiotics against infections? Can antibiotic tolerance have any importance for the development of antibiotic resistance? Why / Why not?
What is responsible for genetic variation in bacteria? O gene influx from a different bacterial strain...
What is responsible for genetic variation in bacteria? O gene influx from a different bacterial strain Ogene transfer from the same bacterial species O mutations in the genome during binary fission ODNA influx from the environment All of the options
1) A researcher discovers a new species of bacteria that obtains its energy from other organisms...
1) A researcher discovers a new species of bacteria that obtains its energy from other organisms and its carbon from the atmosphere. This species can be categorized based upon its mode of nutrition as a: chemoheterotroph, photoautrotroph, photoheterotroph, or chemoautotroph? 2) A colony of antibiotic-resistant bacteria is mixed with a colony of antibiotic-sensitive bacteria. After a few days grown in the presence of antibiotics, all of the bacteria are resistant to the antibiotic. Which of these is most likely to...
III. You isolate a new species of bacteria that only grows in the Antarctic. A wild...
III. You isolate a new species of bacteria that only grows in the Antarctic. A wild type strain of this bacteria can synthesize its own alanine (alat) and its own tryptophan trp' ), both of which are essential amino acids. A mutant strain of the same bacterium cannot synthesize either of those two amino acids (ala trp'). You are interested in the degree of linkage between the ala and the trp genes in this new bacterial species. Fortunately, this species...
1. The size of the zone of inhibition often varies for two different species of bacteria...
1. The size of the zone of inhibition often varies for two different species of bacteria when challenged with the same antibiotic. What is a possible explanation for these differences? 2. Antibiotics can be bactericidal (they kill the microbe) or bacteriostatic (they inhibit microbial growth, but do not kill). When observing a zone of inhibition around a disk, how would you to determine whether the antibiotic causing that zone was bactericidal or bacteriostatic? 3. When performing antibiotic sensitivity testing, it...
If a scientist performed the Indole, Methyl Red, Voges-Proskauer, and Citrate tests on a bacterial species...
If a scientist performed the Indole, Methyl Red, Voges-Proskauer, and Citrate tests on a bacterial species isolated from drinking water, she is most probably concerned about what form of contamination? A. fermentative B. fecal C. industrial waste D. antibiotic resistant bacteria
One colony of bacteria typically comprises of several different bacterial species. True False
What is responsible for genetic variation in bacteria? O gene influx from a different bacterial strain Ogene transfer from the same bacterial species O mutations in the genome during binary fission ODNA influx from the environment All of the options
III. You isolate a new species of bacteria that only grows in the Antarctic. A wild type strain of this bacteria can synthesize its own alanine (alat) and its own tryptophan trp' ), both of which are essential amino acids. A mutant strain of the same bacterium cannot synthesize either of those two amino acids (ala trp'). You are interested in the degree of linkage between the ala and the trp genes in this new bacterial species. Fortunately, this species...
If a scientist performed the Indole, Methyl Red, Voges-Proskauer, and Citrate tests on a bacterial species isolated from drinking water, she is most probably concerned about what form of contamination? A. fermentative B. fecal C. industrial waste D. antibiotic resistant bacteria
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