Which of these statements is true? a. An antibiotic is any substance produced by a organism that is antagonistic to the growth of prokaryotes. b. An antibiotic is any substance produced by a prokaryote that is antagonistic to the growth of other viruses. c. An antibiotic is any substance produced by a prokaryote that is antagonistic to the growth of eukaryotic cells. d. An antibiotic is any substance produced by a prokaryote that prevents growth of the same prokaryote.

Q: Name a substance in the envelope structure of some bacteria that can cause severe symptoms in…

A: Bacteria are the prokaryotic cells that inhabit all kinds of environment on the Earth. They also…

Q: Conjugation refers

A: Asexual reproduction is a form of reproduction that involves the production of a new organism. This…

Q: A researcher, studying two different animal viruses (A and B) that infect the same cell type,…

A: Viruses are non-living infectious agents that can replicate only within the living cells of a host…

Q: Within prokaryotic organisms,. takes up DNA released by a donor cell that was lysed. is the process…

A: Horizontal gene transfer is a process of genetic recombination or sexual reproduction in prokaryotic…

Q: Based on devolution or the regressive hypothesis, it proposes to explain the origin of viruses by…

A: Viruses were first found after the innovation of a porcelain filter, called the Chamberland-Pasteur…

Q: Consider how antibiotics work, and then describe two specific mechanisms bacteria could use to…

A: BASIC INFORMATION  BACTERIA  It is one of the type of biological cell. They belong to prokaryotic…

Q: Diseases due to viruses are plentiful. Name three diseases caused by viruses in humans. Which are…

A: The species-specific disease is those diseases that affect only a particular species such as HIV…

Q: Influenza Virus has a    genome and can jump hosts easily because of its genome   A. DNA;…

A: Virus is a microscopic organism which contains a protective coat and the nucleic acid. It doesn’t…

Q: Which of the following uses of microorganisms is/are importantin biotechnology?a. Production of…

A: Introduction  Microorganisms such as bacteria, viruses etc. are not just pathogenic and harmful but…

Q: c. How would you insert the gene of interest into the vector? d. How would get the vector into the…

A: DNA cloning refers to the process in which the DNA fragment is isolated and inserted into the…

Q: A narrow spectrum antibiotic against Gram –‘s might target the ____________ whereas narrow spectrum…

A: In Gram positive bacteria, gram stain retains long time after wash but in gram negetive bacteria…

Q: 6. Variations of the plaque assay can be used to determine the number of animal viruses from a…

A: There are few points about Plaque assay : When treated with the lawn of susceptible cells , a…

Q: Phage conversion in which viruses add genes to a bacterial cell can be considered to be a form of…

A: Answer: Introduction: In horizontal gene transfer, the transfer of genetic material or genes occurs…

Q: Bt stands for A. Biotechnology         B. bacteria tolerant C.  Bacillus thuringiensis…

A: With the growing population, the demand for the production and in agriculture is increasing to its…

Q: How is phage therapy different from antibiotic therapy? usually kill many kinds of bacteria,…

A: Antibiotics are medications that are used to slow down the growth of bacteria or kill them. There…

Q: Which of the following contribute(s) to the differences between the Archaea and the bacteria? O A.…

A: Introduction :- Both bacteria and archaea have a protective cell wall. In bacteria, it is made up of…

Q: Explain why there are far fewer antiviral agents than there are antibacterial agents

A: The primary classes of antimicrobial specialists are disinfectants (non-specific specialists, for…

Q: Which of the following pairs id mismatched?   A. Virologist – studies human immunodeficiency virus…

A: -Virologists study the viruses that affect humans, plants , animals etc. -Microbial ecologist study…

Q: The following graph shows the trends in bacteria and viruses after they infect an organism. A B Time…

A: "Microbes on the Move" includes a personal narrative story as well as a few other short stories…

Q: Which of the following is a reason that scientists do not classify viruses as living things? A.…

A: Qusstion - Which of the following is a reason that scientists do not classify viruses as living…

Q: Which of the following is common in animal viruses but NOT in bacteriophage? a. DNA b. Capsid…

A: The term bacteriophages means the "bacteria eating virus". They are those viruses that infect and…

Q: The contents of a plaque may not always contain a clonal population of phage if: a. Identical…

A: Plaque:- phage infected bacterium usually burst and releases a number of daughter phages which…

Q: The primary advantage of conjugation is that ita. is the first step in the formation of a biofilm.b.…

A: Answer is option d .)provides a mechanism by which bacteria avoid being infected withviruses.

Q: In Hershey and Chase’s experiment investigating which biological molecule carries genetic…

A: In Hershey and Chase’s experiment, the protein coat was labelled with radioactive sulfur and the DNA…

Q: Explain how a single bacterium that is resistant to an antibiotic can multiply dramatically when an…

A: There are two main ways that bacterial cells can acquire antibiotic resistance. One is through…

Q: The enzyme hydrolase is critical for which of the stages to occur as a consequence of a…

A: The phages are viruses that are also called as bacteriophage that infects bacteria. Most of the…

Q: A prion is a disease-causing agent composed ofa. cells.b. nucleic acid with a protein coat.c.…

A: Cell is the basic structural, functional, and biological unit of all known organisms. The cell…

Q: A bacterium has received new DNA that allows it to produce a toxin. Which of the following…

A:

Q: Which

A: CONJUGATION:-  Is the process by which one bacterium transfer genetic material to another through…

Q: is the process by which prokaryotic cells can acquire DNA (genes) from the environment while is when…

A: Transformation involves the introduction of genetic changes in a cell. Here the required DNA is…

Q: Analyses of genomes have allowed researchers to determine that some cells have very small genomes.…

A: Question -   Analyses of genomes have allowed researchers to determine that some cells have very…

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: Describe two events occurs when antibiotics are present or not and  microbes become newly resistant…

A: Antibiotics are drugs that are used to prevent and treat bacterial infections. Antibiotic resistance…

Q: What are your thoughts regarding the evolution of antibiotic resistant bacteria. Also find out where…

A: The emergence and proliferation of antibiotic-resistant bacteria present a significant challenge in…

Q: The biological species concept cannot be applied to bacteria because Select one: a. they are…

A: Biological species concept considers species as a group of organisms that are similar to each other…

Q: During transduction via phage P1,a. any small fragment of the bacterial chromosome may betransferred…

A: The genetic material of bacteria deoxyribonucleic acid (DNA) is transferred to another bacterium…

Q: e. coli is commonly found in the human Microbiome. while most strains are harmless some can cause…

A: E. coli, also referred to as Escherichia coli, is a type of bacteria that is prevalent in the human…

Virus

Viruses are infectious microscopic agents that can only reproduce in live cells of animals, plants, or microbes and are smaller than bacteria. Vertebrates, invertebrates, plants, protists, and fungi are among their many hosts. Viruses are unable to multiply on their own due to the lack of necessary cellular machinery, but they can guide the cell machinery of a host to make additional viruses by infection. The virus enters and attaches to a particular host cell, injects its genetic material, and reproduces by using the host’s genetic material. Viruses cause infection by taking entry into the host cell and using the host cell’s enzymes and raw materials to multiply.