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: If you were developing a new “broad-spectrum” antibiotic to kill a widevariety of bacteria, which…

A: To create a broad-spectrum antibiotic it might be necessary to travel once the cell membrane, cell…

Q: Can all bacteria undergo transformation? Explain.

A: Transformation is the process of taking up of foreign DNA or naked DNA by bacterial cells. The…

Q: Are bacteriophages good?

A: The micro-organism is the organism that is too small to be seen with the naked eye. It is viewed by…

Q: Where do plasmids occur?

A: Bacteria are the prokaryotic organisms that have a chromosome as their genome. Chromosome carries…

Q: Give two examples of antibiotics that act on the following: cell wall synthesis disruption of cell…

A: Antibiotics are either natural products of microorganisms or semi-synthetically produced from…

Q: C. In 1928, Sir Alexander Fleming was studying Staphylococcus bacteria growing in culture dishes. He…

A: Scientific method involves a series of step by step procedures to solve a particular scientific…

Q: How did Anton de Bary prove that a microbe was the cause of the Irish Potato Famine? Why did other…

A: Irish potato famine is a type of infection found on potato which is otherwise called a potato blight…

Q: What would you expect to observe if you were able to “transplant” CreS into a rod-shaped bacterium…

A: CreS refers to the protein Crescentin. It is a protein found in bacteria that is similar to the…

Q: In order to transform a bacteria, the cell wall should be perforated either through physical or…

A: The cell wall is the very outer membrane of the cell. It has a rigid, semi-permeable protective…

Q: Why are prokaryotes able to replicate so much more quickly than eukaryotes? What cellular components…

A: Answer: PROKARYOTES = These are the cells which lacks cell oragnelles and a well defined nucleus.…

Q: How might conjugation enhance the survival of bacteria?

A: Bacteria replicates by asexual as well as sexual methods. Usually bacteria cannot reproduce sexually…

Q: Where do true antibiotics come from in nature?

A: Antibiotics are substances which are able to inhibit or destroy growth of microorganisms. These…

Q: Why doesn't the CRISPR system cut the bacterium's own DNA, at the point in its genome where it…

A: CRISPR is an acronym for Clustered Regularly Interspaced Short Palindromic Repeat. This name refers…

Q: A Hfr bacterium mates with an F- plasmid containing bacterium. What will be the type of bacteria…

A: High-frequency recombination (Hfr) cell is a bacterium that carries a conjugative plasmid ( F…

Q: The development of antibiotic resistance is a major threat to our health. Why? How extensive is this…

A: Antibiotic resistance is the ability of pathogenic microbes to endure the effect the antibiotics.…

Q: How could bacteria become resistant to an antibiotic?

A: Bacteria are usually visible under the microscope only. The organisms included in this category are…

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: What part of a eukaryotic cell could be affected by antibiotics that target ribosomes and why?

A: Majority of antibiotics that block bacterial protein synthesis interfere with the processes and…

Q: The man pictured below wears several dozen ornaments in his skin, most of them applied by piercing.…

A: A piercing is the creation of an opening in a part of the body for the insertion of jewelry.

Q: The term "Superbug" refers to? A. Certain bacteria strain that can grow in all kinds of unfavorable…

A: Introduction :- Superbugs are bacteria, viruses, parasites, and fungi strains that are resistant to…

Q: Antibiotics often target which components of microbial cells?   Choose all that apply. Group of…

A: Antibiotics are chemical compounds that are naturally occurring or synthetic which are used to…

Q: What mechanisms account for restriction and modification?

A: Restriction-modification system is present in prokaryotic organisms like bacteria. Prokaryotic cells…

Q: How do bacteria take advantage of their host to grow and replicate

A: Bacteria reproduce by consuming nutrition from the host cells. Bacteria have developed a variety of…

Q: Many pathogenic bacteria are unable to make some of the metabolic compounds needed for growth and…

A: Bacteria are simple living unicellular organisms that have a cellular level of organization. They…

Q: Which of the following are all mechanisms of gene transfer between bacteria?     Transduction,…

A:

Q: Describe one adaptation a bacteria could have that would allow it to be resistant to an antibiotic

A: Introduction  Antibiotics are used to treat bacterial infections by killing or inhibiting the growth…

Q: Antibiotic-resistant bacteria may expend extra energy and resources to produce special compounds and…

A: Excess use of antibiotics is making more resistant germs. A few bacteria are as of now "resistant"…

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: In the Griffith experiment, why didn't the bacteria from rough colonies harm the mice? Because they…

A: Bacteria like Streptococcus do not have membrane-bounded organelles, can reproduce individually,…

Q: tists have cultured bacteria isolated from within frozen mammoths, which are thousands of years old.…

A: Microbes from thousands of years ago have been cultured from early fossils such as frozen mammoths.…

Q: What is horizontal gene transfer? What are the three mechanisms for this to occur in bacteria? What…

A: 1. The non-sexual flow of genetic information between genomes is known as horizontal gene transfer…

Q: Why are bacteria generally resistant to hypotonic environments, whereas animal cells are not?

A: Bacteria is a member of a large group of unicellular microorganisms. It is classified into different…

Q: Which Part Of The Bacteria Actually Gets Stained?

A: The primary goal of staining is to show cytological details that would otherwise go undetected;…

Q: How does gene mining contribute to the development of antibiotics?

A: The process of Genome or gene mining describes the use of the genomic information for the discovery…

Q: What is meant by the term "streptobacillus"? a-bacteria that are rods and arranged in grapelike…

A: Streptobacillus is gram negative bacteria.  It is non motile and non spore forming bacteria.

Q: Humans perfected the use of recombinant DNA technology to produce human insulin from bacteria.…

A: Biotechnology is the branch of Biology which deals with the manipulation of organisms and their…

Q: What are some of the differences between a bacteriophage and a bacterium?

A: Bacteria are prokaryotes, it means they are single cellular more microorganisms. Nuclear material…

Q: Which form of horizontal gene transfer is shown in the following diagram? Transformation Conjugation…

A: The migration of genetic code across unicellular and/or multicellular life forms between one…

Q: When phage DNA replication occurs ?

A: Bacteriophages, or phages (T4), are viruses that infect and replicate only in bacterial cells. They…

Q: How might the heavy-handed use of antibiotics result in the increase of antibiotic-resistant cells…

A: Bacteria are very small, single-celled living beings that can be found wherever on Earth and are…

Q: Can antibiotic kill bacteria?

A: Antibiotics are the drugs that are effective in treating the pathogenic infection. These drugs…

Q: What are the potential benefits and disadvantages of using bacteriophages in place of antibiotics?…

A: Compared to antibiotics, only a single phage is required to kill a single bacterium and so fewer…

Q: Engineered bacteria are commonly used and cultured in pharmaceutical laboratories to produced drugs…

A: Insulin is a polypeptide hormone produced by the β-cells of islets of Langerhans of the pancreas. It…

Q: outline the sequence of events that comprise the mechanism used by a bacteriophage in order to…

A: Bacterial cell - Bacteria is a prokaryotic cell. It do not contains well defined nucleus. Bacteria…

Q: Which pathogen must enter a cell to replicate? Which type of pathogen is composed of prokaryotic…

A: Any organism that can cause disease is considered a pathogen in the broadest definition of the term.…

Q: Why is bacterial culture useful to grow bacteria?

A: