FIGURE 10.13 An Antibiogram In this example, 12 different antimicrobial medications incorporated in paper discs have been placed on two plates containing different cultures of Staphylococcus aureus. Clear areas are where bacterial growth has been inhibited.

Q: What molecular method will be used to detect GMOs?

A: ANSWER;- detect GMOs Due to its numerous advantages, quantitative PCR (qPCR) is the method of choice…

Q: Why do we think that LUCA was RNA-based rather than DNA?

A: The most recent population from which all currently existing organisms on Earth derive their common…

Q: What is the difference between an F+ and an Hfr strain? Which type of strain do you expect to…

A: Bacterial conjugation is a type of gene transfer in which one bacterium transfers genetic material…

Q: In Griffith's experiment, the S type bacteria are harmless, but can be transformed into the…

A: In Griffith's experiment, there was a mix of  heat-killed S-strain bacteria with live, harmless…

Q: What is a non conjugative plasmid?

A:

Q: What is conjugation? What role do plasmids play in conjugation?

A: Bacteria are the most important microorganisms to the food processor. Some bacteria are beneficial…

Q: In the name E. coli 4X5B, which part is called the serotype, serovar, or strain?     E     coli…

A: A microbe is a living entity that is so tiny that it cannot be seen with the naked eye. Microbiology…

Q: will mutation (with - ) will affect E.coli grown in lactose medium. what is the implication of the…

A: A stretch of DNA called an operon contains a group of functionally linked genes. It has an operator,…

Q: What is the difference between DNA extracted from whole blood and buffy coat?

A: Extraction of genomic DNA from whole blood sample has been a very common practice but the…

Q: Bacteriophage P22 was used in generalized transduction experiments to infect the Salmonella…

A: The horizontal transfer of the genetic material from donor bacteria to the recipient bacteria via…

Q: Why is it usually more difficult to select recombinants withArchaea than with Bacteria?

A: Archaea are single celled-microorganisms and they are prokaryotes. They comprised of a single…

Q: List all major differences between (a) the F+ * F- and the Hfr * Fbacterialcrosses; and (b) the F+,…

A: Bacterial conjugation is the process in which genetic information is transferred from one bacteria…

Q: DNA from a strain of Bacillus subtilis with genotype a + b + c + d + e + is used to transform a…

A: Introduction :- The basic physical and functional unit of heredity is the gene. DNA is the material…

Q: Solution B that was used during the plasmid isolation contains 0.2 M NaOH (see practical manual).…

A: INTRODUCTION E. coli E. coli  are small gram negative motile bacilli which mainly cause urinary…

Q: A shuttle vector is a vector constructed so that it can propagate in two different host speci One of…

A: Shuttle vectors are mostly plasmid vectors that are compatible with two host cells thereby allowing…

Q: How is isotype IgA radioactive decay used?

A: The branch of medicine known as nuclear medicine deals with the use of radioisotopes in the field of…

Q: Which of the following best describes the control group for this experiment? a) mating between male…

A: Control group : In the control group no variables are being tested rather we control the other…

Q: How was Escherichia coli modified to produce indigo?

A: Indigo is a dye used mainly for coloring textiles and is derived from plant materials. With the…

Q: S. aureus is gram positive. What differences in strains might account for differences in phage…

A: Bacteria are microscopic single-celled organisms that thrive in diverse environmental conditions.…

Q: What technique could be used to confirm the presence or absence of plasmids in the donor, recipient…

A: Microbiology is the branch of biology that deals with study of organisms that are too small to be…

Q: What are the three major ways bacteria resist antibiotics? Do any of these tend to be correlated…

A: The three major ways bacteria can resist antibiotics is  (1) Enzymatic degradation of the…

Q: What is one advantage of using Xenopus laevis in the genetics lab and what type of organism is…

A: It represents a type of frog within the Xenopus genus, predominantly inhabiting lakes and rivers,…

Q: What do you mean by vector plasmid?

A: Bacteria can be defined as the single-celled microscopic organism which is cosmopolitan as it is…

Q: Is it possible to provide a formal name for amicroorganism that has not been cultivated in…

A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…

Q: what is an alternative method of solving the covid-19 disease from spreading from one person to…

A: Covid-19 is a respiratory system-based illness caused by a coronavirus. This virus has a very high…

Q: How many bacteriophage particles were isolated from a single plaque? Howmany different strains of…

A: Bacteriophages, which are mainly infected bacteria are going through the lytic or the lysogenic…

Q: In recombination studies of the rII locus in phage T4, what is the significance of the value…

A: Seymour Benzer developed an experimental system around 1950s for analyzing various subparts of a…

Q: Is E.coli resistant to the antibiotic produced from the S. griseus strain?

A: Antibiotic resistance develops in bacteria by transferring an antibiotic-resistant gene from…

Q: An Hfr strain that is leuA+ and thiL+ was mixed with a strain thatis leuA− and thiL−. In the data…

A: Transfer of genes in prokaryotes occurs through horizontal transfer mechanisms such as transduction,…

Q: Why is replica plating used to isolate an auxotrophic mutant from a prototrophic parent?

A: Auxotrophs are the organisms that are unable to synthesize a particular organic compound necessary…

Q: In what ways does conjugation create bacterial cells that are at least partially diploid? Is this a…

A: Conjugation is the process of transfer of genetic material from one bacterium to another by direct…

Q: After sequencing E.coli ROAR340 strain and using Silico Clermont Phylotyper tools show that is it…

A: Escherichia coli, also known as E. coli, is a gram-negative, facultative anaerobic, rod-shaped…

Q: Escherichia coli dsDNA contains 51% GC on a molar basis. What are the mole percentages of A, T, G…

A: Mole percentage of A, T, G, C :-

Q: Why is it important to have a type strain for each species?

A: To describe: Why is it important to have a type strain for each species

Q: what is the form, elevation, margin and colony color of this streak plate result?

A: The streak plate method is used for the isolation of the pure culture of organisms from mixed…

Q: An E. coli colony grew on minimal medium supplemented with arginine and leucine. However, bacteria…

A: Introduction :- The coliform bacterium Escherichia coli, usually known as E. coli, belongs to the…

Q: What are the basic differences between the streak plate and the pour plate methods of isolation?

A: Introduction: Microbiologists use the streak plate and pour plate procedures to cultivate mostly…

Q: Describe ,A Hfr bacterium mates with an F- plasmid containing bacterium. What

A: PLASMIDS- It was discovered that maleness in bacteria is determined by a transmissible genetic…