why do the bacteria grow up to the edge of the area with antibiotics, pause, then continue to grow across the area with antibiotics?

Q: How was the process of bacterial transformation discovered?

A: The reception of bare DNA fragments from the external environment and the manifestation of that…

Q: You are designing a phage therapy for a cystic fibrosis patient with an multi-antibiotic resistant…

A: The most crucial characteristic for this particular phage therapy scenario is: C. That the infection…

Q: The discovery and mass-production of antibiotics has triggered a revolution in medicine, decreasing…

A: The discovery and widespread use of antibiotics have revolutionized the field of medicine, enabling…

Q: 16) Bacterial DNA replication is said to be: a) Linear b) curvilinear c) circular d) exponential e)…

A: 16) Bacterial DNA replication is said to be circular. This is because bacterial DNA is organized in…

Q: 40) The molecular forces that hold the proteins of a capsule together are covalent bonds. True or…

A: The topics covered include chromosomal dynamics in the cell cycle, the historical background of gene…

Q: Which statement(s) indicates one or more benefits of electroporation? A.) Possibility of…

A: Electroporation The method of making hybrid DNA in cells.

Q: Explain Avery-MacLeod-McCarty experiment (the 1940's) with capsule forming bacteria (smooth) and…

A: Bacteria are single-celled microorganisms found in all environments on Earth, including soil, water,…

Q: 27. Match the following three words to its correct definition.  a.) Transformation b.) Transduction…

A: The horizontal gene transfer is the process of transfer of DNA from one organisms to another without…

Q: The cath sample was both filtered to remove all bacteria, and then treated with DNase.  Based on…

A: A cath or catheter is a thin hollow tube, which is a medical equipment that is used for various…

Q: Which of the statements is TRUE about conjugation?   a)  Plasmid DNA is transferred from a donor…

A: In the process of conjugation, genetic material is transmitted from one bacterial cell (donor) to…

Q: frederic griffith used the word transformation to describe the changes in bacteria that he observed.…

A: Frederic Griffith was a British bacteriologist whose experiments proved the existence of a…

Q: n example of bioremediation is     A) the use of prokaryotes to treat sewage or clean up oil…

A: BIOREMEDIATION:- It has been defined as a breakability technology that uses biological activity to…

Q: Which of the following is NOT a feature of genetic reassortment? A)  a host cell is coinfected with…

A: Genetic reassortment is the changes in the genome of the virus that affect the host. This helps in…

Q: Which of the following statements is not applicable to conjugation? A) OF factors are transferrable…

A: Bacteria are single-celled microbes. These organisms are capable of exchanging inheritable material…

Q: Antibotic/drug resistance in bacteria results from mutations induced by the anitbiotic which enhance…

A: Introduction Antibiotics are the drugs/medicines which are produced from microorganisms and inhibit…

Q: The addition of DNase to a mixture of donor and recipientcells will prevent gene transfer viaa) DNA…

A: Answer is a.) DNA transformation.

Q: Which of the following statements regarding transduction is FALSE? A) transduction reduces genetic…

A: A virus moves its genetic information from one bacterium to another through a process called…

Q: Which of the following is not associated with gene therapy SCID patients A) utilizes an enzyme to…

A: Severe combined immunodeficiency (SCID): it is an inherited primary immunodeficiency disease (PIDD)…

Q: Why would some bacterial species be more likely than others to develop UV-induced mutations?

A: Answer: Introduction: Mutation- These are the random heritable changes that occurs in the DNA…

Q: Why is a webbed plate capable of producing a higher lysate titer (pfu/mL) than a cleared plate? a.)…

A: The concentrated liquid sample of phages is called phage lysate. This sample is obtained by…

Q: 1. Which of the following bacterial species is not naturally competent? A) Bacillus subtilis B)…

A: Hi! Thank you for the questions. As you have posted multiple questions, I will be answering the…

Q: In DNA-DNA Hybridization, sequences from two separate organisms that show partial hybridization…

A: DNA-DNA hybridization is the process of hybridization of genetic information between two different…

Q: Alexander Fleming was working with bacteria called staphylococcus, which looked like bunches of…

A: Antibiotics were discovered by Sir Alexander Fleming by accident. While growing Staphylococcus, he…

Q: You are attempting to propagate bacteriophage of Bacillus cereus using a liquid batch culture. A…

A: Bacteriophage : these are the viruses that attack on barterial cells and use them to produce more…

Q: The word _________ refers only to living species.a) Clone b) Gene c) Allele d) Vaccine

A: Anything can be considered living if it shows the following characteristics; growth, movement,…

Q: 16. Which of the following methods may introduce foreign DNA into a recipient? A) transduction B)…

A: A plasmid is a small, circular, double-stranded DNA molecule that is distinct from a cell's…

Q: Given that antibiotic-resistant strains of bacteria are a concern to the general health of a…

A: The antibiotics are a special substances that are released by some bacteria to kill or inhibit the…

Q: RNA-dependent RNA polymerase performs which of the following functions? O 1) Uncoats the viral…

A: Various different kinds of enzymes are involved in the replication, transcription, and translation…

Q: Researchers studying the bacterium Escherichia coli split a population of the bacteria into two…

A: The claim best supported by the data in table 1 is: D. Only the bacteria that were successfully…

Q: Which of the following is inconsistent with the central dogma? a) An RNA molecule that can…

A: The concept of the central dogma was proposed by Francis Crick. The central dogma is a concept in…

Q: You have isolated a strain of E.coli that is resistant to penicillin,streptomycin,chloramphenicol…

A: The scenario involves the intriguing phenomenon of bacterial conjugation, where genetic material is…

Q: In a P1 transduction experiment, the P1 lysate contains phages thatcarry pieces of the host…

A: Bacterial transduction is the process of transfer of genetic elements from one bacterial cell into…