True or False. Bacteria have killed more people than in all the wars in history combined
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A: Microbiota can refer to all the microorganisms found in an environment, including bacteria, viruses,…
Q: True or False? One of William Farr's contributions to public health and epidemiology included the…
A: True
Q: Why does it make sense to look for ARGs and not antibiotic-resistant organisms themselves?
A: Antibiotic resistance genes (ARGs) are segments of DNA that encode for proteins or enzymes that…
Q: Human genes were integrated into the chromosomes of pig sperm using the procedure of sperm-mediated…
A: Q.1Ans:- B. DNA Replication. Explanation:- if we integrate the human sperm into the pig sperm…
Q: How would you argue against this statement: "To help prevent any type of bacterial infection all…
A: I do not agree with this statement. From an immunology perspective, wiping all the bacteria from…
Q: Coley’s Toxin is really: a mix of harmless viruses. a mix of pathogenic bacteria. a…
A: Coley`s toxins is a mixture consisting of killed bacteria of species Sterptococcus pyogens ,…
Q: The previous scenario is a greatly-simplified demonstration of how antibiotic resistance is selected…
A:
Q: Bacteriophages are bacteria that infect other bacteria and take over their genetic machinery to make…
A: Bacteria are unicellular prokaryotic microorganisms (nucleus is not enclosed in a nuclear membrane)…
Q: In HIV infection, reverse transcriptase Multiple Choice O makes DNA from viral RNA. makes RNA from…
A: HIV refers to the infection that is caused by the human immunodeficiency virus (HIV). This virus is…
Q: Viruses1. contain both protein and nucleic acid.2. infect all domains of life.3. can grow in the…
A: Viruses are microscopic parasites that lack the capacity to thrive and reproduce outside of a host…
Q: A major difference between exotoxins and endotoxins is that endotoxins are _____. View Available…
A: Toxins are the poisonous responses that are produced by the bacteria so that they can access the…
Q: Choose the false statement: O Penicillin is a ß lactam which inhibits bacterial growth by inhibiting…
A: An antimicrobial is an agent that kills microorganisms or stops their growth. In this questions, we…
Q: ed by killing bacteria around a central point. it involves chemicals. it reaches a billion…
A: The colony can be defined as the visible mass of microorganisms and all of them originating from…
Q: Explain why the infamous letter that Dr. Cornelius Rhoads triggered an investigation against him. He…
A: Ans. Option 5) In a letter published in 1932 and initally written in November 1931 Dr. Rhoads had…
Q: Which of the following mechanisms of action of antibiotics has the fewest side effects? protein…
A: As already mentioned in the question Antibiotics have mainly 5 basic mechanisms, against the…
Q: Match the statement with the correct term Statement- -A group of HFr bacteria is mixed with a…
A: The objective of the question is to match the given statements with the correct biological terms.…
Q: What is the first known account of bioterrorism? European settlers giving Native Americans…
A: The use of microorganisms like virus, fungus or bacteria to induce harm upon a large population is…
Q: A pathogen that has an extremely low LD50 would be Group of answer choices very contagious. very…
A: LD50 can be defined as the number of microbes required to kill 50% of the infected hosts.
Q: This antibiotic, novobiocin, was tested against two different types of bacteria. What can you say…
A: Novobiocin belongs to the class of antibiotics named aminocaumarin that is derived from the…
Q: Of the Class A group of potential bioterrorism weapons, which one causes the most worry for public…
A: Introduction- Infectious and communicable diseases causes varying degree of disaster in human life…
Q: Then there are the drugs that inhibit metabolic pathways. Describe how sulfa drugs act to prevent…
A: Sulfa drugs, also known as sulphonamide, are a type of synthetic antibiotics. It is used in the…
Q: Why doesn't the influenza vaccine offer more than a few months of protection?
A: The vaccination provides the protection to the person from various kinds of infective diseases. So,…
Q: Many disease-causing microbes do not cause disease in every host. Describe a possible reason for why…
A: Since we only answer 1 question in case of multiple question, we’ll answer the first question as the…
Q: Cure for Beriberi In 1887, a strange nerve disease attacked the people in the Dutch East Indies.…
A: Observations: The victims showed the following symptoms; weakness and loss of appetite. Moreover…
Q: True or false Most microbes that are part of the human microbiome are extremophiles.
A: Most microbes that are part of the human microbiome are not extremophiles. Extremophiles are…
Q: Choose a FALSE statement about Hill's plot. All or none binding is given by n = N² (N is the total…
A: Hills plot is a graphical representation used in biochemistry to analyze the cooperative binding of…
Q: The strain of Wolbachia from CalTech used in the infection experiments was nicknamed..? Zapper Zika…
A: WOLBACHIA are the genus of intracellular bacteria that infects mainly arthropod species, including…
Q: is the encysted larva of the beef tapeworm called? a. Cysticerci b. Miracidia c. Cercaria d.…
A: Explanation: 1) Which of the following correctly describes bacteria? Answer: c)arrangements are…
Q: A disease is always brought on by an opportunistic infection..
A: Microbes are ubiquitous in the human body. These microorganisms, on the other hand, only become a…
Q: List the cell wall components that contribute to virulence by protecting the bacteria from immune…
A: A defense system in the body of an individual which constitutes a complex network of cells and…
Q: Consider the new bacterial threats. Why do you think we are having more antibiotic and…
A: Introduction: Antimicrobials are substances that kill or inhibit the growth of microorganisms.…
Q: can you explain why Bacillus anthracis can be pathogenic in a mouse and not be fought off by the…
A: Anthrax, a severe infection originating from the bacterium Bacillus anthracis, is a matter of…
Q: Most hospitals use hand sanitizers that claim to “kill 99.99% of illness causing germs”. What are…
A: Maintaining a clean work environment is critical in preventing different types of illness. Bacteria…
Q: You might expect that lysozyme, the protective mechanism included in mammalian tears would protect…
A: Answer.) :- Lysozyme is an enzyme that is naturally present in various bodily fluids, including…
Q: Procedure A. Applying the terms of science The following fictional experiment demonstrates the use…
A: Science is a means of knowing that is always evolving and altering. Scientists are constantly…
Q: Which microbes predictably cause NO negative effects when they are inside you? Microbes that are…
A: Microbes are the small living organisms that cannot be seen by our naked eyes. These are of…
Q: Exotoxins usually contribute to the infection process but endotoxins do not. Both, however, are…
A: Virulence is the ability of an infectious agent to produce disease. Toxins are products of…
Q: Describe a “plasmid” in 2 sentences or fewer. no copying and paste it . Use your own words
A: A bacteria is a prokaryotic cell that does not have any nuclear membrane to enclose their genetic…
Q: How does having a capsule increase the virulence of a bacteria cell? A capsule gives bacteria…
A: Certain bacteria possess an additional outer covering beyond their cell wall. This outer covering is…
Q: True or False A bacteriophage that lacks a capsid structure is considered to be viroid
A: A length of nucleic acid (either DNA or RNA), encased in a protein coat, makes up a virus, an…
Q: People once believed all microbial diseases would be controlled by the twenty-first century. Name at…
A: An infectious disease is a disease that is caused by the invasion of agents whose activities harm…
Q: Hepatitis B Virus is 42nm in diameter. Sacromyces cervisiae (a yeast) has a diameter of 4um in…
A: The living world contains different types of organisms such as bacteria, protozoans, plants, animals…
Q: ____________ help to transfer DNA between bacterial cells during the conjugation.
A: Conjugation is a type of horizontal gene transfer. It refers to the transfer of genetic material…
Q: Experiment #1: Scientists thought beriberi might be caused by bacteria. They injected chickens with…
A: In case of any scientific experiment the selection of experimental and control groups are very much…
Q: Match the definition to its corresponding term. Formation of a pilus to allow genetic exchange…
A: Introduction: The mechanism of gene transfer refers to the movement of genetic information between…
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