What is the first known account of bioterrorism?     European settlers giving Native Americans smallpox contaminated blankets     People knowingly putting Salmonellainto food     Tartar army catapulting plague infected bodies over a wall to infect Kaffa     Dropping plague-carrying flea bombs on Japan in the 1940s

Q: Bacteria are believed to have evolved some _______________ years ago. The bacterium Staphylococcus…

A: Since you have asked multiple questions, we will answer only the first three question for you. If…

Q: Which of the following are called “microbes”, but are not made of cells? (Choose all that apply.)…

A: Schleiden and Schwann gave the cell theory to differentiate between living and non-living. The basic…

Q: The single most important measure to prevent the spread of disease is handwashing handwashing…

A: Diseases are abnormal conditions in the health of an individual. It can affect the structure or…

Q: you expect the community of bacteria in plague sampled 1 week after your teeth cleaned to differ…

A: Microbiology is the study of microbes which cannot be seen by naked eyes.

Q: Which of the public health practices were in use long before modern science explained their success?…

A: Revolutions occurred in the field of medicine in the 19th century and beyond due to advances in…

Q: Bacteria that live in the digestive systems of cows help break down the plants that cows eat,…

A: An interaction (or relationship) between two unlike species and they both get benefited is called…

Q: Fill in the Blank. Round it to the nearest whole number. A mutation occurs in a single bacterium…

A: The time taken by bacteria to divide in a culture so that its population is doubled is known as…

Q: One of the following is considered as Fastidious bacteria: Select one: Staphylococcus spp.…

A: Bacteria are usually single-celled microorganisms that can be present everywhere. They are…

Q: Which of the following would be the easiest to eradicate?a) A pathogen that is common in wild…

A: Answer is b.) A disesase that occurs exclusively in humans, always resulting in obvious symptoms.

Q: Parasitic worms, even meters-long tapeworms, are studied in microbiology because   they are…

A: A parasite is a creature that lives on or in its host and feeds on or at the expense of that host.…

Q: Choose 2 terms from the list and answer the following questions for each term:   What familiarity…

A: Biology is the branch of science that deals with the organisms that are alive. It involves the…

Q: What is an antibiotic?     it is any type of chemical that is toxic     it is a general…

A: Technology is the practical application of scientific knowledge that aims to benefit human life.…

Q: Louis Pasteur conducted experiments on Spontaneous Generation. Describe the phases of the experiment…

A: Spontaneous generation This theory states that life arose from nonliving matter. Louis Pasteur  was…

Q: Which of the following is a pyrimidine (one type of nitrogenous base) that is commonly found in all…

A: Since you have asked multiple questions, am answering the first question for you, for the remaining…

Q: Explain any four ways that the knowledge acquired from environmental microbiology can be applied in…

A: Viruses are defined as infectious agents that can survive only by invading the living cells. They…

Q: COVID is a pandemic, after the 1918 Flu pandemic. COVID-19 is a zoonotic disease and the causative…

A: Covid-19 is a disease that is caused by a virus known as corona virus. It is a zoonotic disease that…

Q: It is a common perception that most of the diseases occur due to poor sanitation, filth and…

A: Diseases that are caused by pathogens such as bacteria, virus, fungi and other parasites that are…

Q: Which of the following statements BEST represents the great plate count anomaly? a The aggregation…

A: A bacterial or microbial culture is the process by which microbes are allowed to multiply in a…

Q: Explain any six ways that the knowledge acquired from environmental microbiology can be applied in…

A: Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus.…

Q: What is an antibiotic? 1.An organism that inhibits the growth of other organisms 2.A synthetic…

A: Antibiotics are antibiotics that are used to treat infections caused by bacteria in humans and…

Q: Which of the following is NOT a site colonized by normal microbiota in humans? Skin Brain and…

A: Skin is a site where many organisms stay physiologically such as Corynebacterium, Propionibacterium…

Q: Bacteria is being cultured in an agar plate. It was observed that the growth of bacteria is…

A: Introduction: The bacterial growth is proportional to the population of bacteria.

Q: If the Rt = 1.40 then 100 people with the virus would infect another _________ people.     40…

A: Effective reproductive rate is denoted as Rt and it defines whether the population is growing or…

Q: You plated 1.0 mL of a sample diluted by a factor of 10^-5 and you counted 50 comonies after…

A: The stock concentration of the bacteria can be determined by counting the colonies formed on the…

Q: A mutation occurs in a single bacterium that causes it to produce a new enzyme. This enzyme helps…

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

Q: Which of the following statements DOES NOT describe nitrogen fixing bacteria? A. Can be found only…

A: Nitrogen-fixing bacteria convert atmospheric nitrogen into organic nitrogen. Option C is not the…

Q: Who formulated the hypothesis that certain chemicals could kill microbes without harming humans was…

A: Chemotherapy includes antibacterial medications that target infectious germs or treatments that…

Q: The iCHIP allows scientists to: grow bacteria in the natural environment. grow large numbers of a…

A: The ichip is an assembly of flat plates containing multiple registered through-holes. The plates are…

Q: Tears have chemicals that targets bacterial plasma membrane and kills cells    Group of answer…

A: Tears have chemicals which are known to have antimicrobial function. Chemicals such as lysozyme,…

Q: discuss which two rooms in your home or workplace that you believe are the most contaminated.…

A: Microorganisms are microscopic in nature and can be categorized into bacteria, virus, fungi, algae,…

Q: Which of the following diseases is NOT caused by a bacterium? Group of answer choices A) Epidemic…

A: Bacterial disease refers to any of a variety of diseases caused by bacteria.

Q: A colony of spherical bacteria which are in a cluster are classified as:   Question 26 options:…

A: Introduction: Bacterial cells might be discovered arranged differently or existing on their own. The…

Q: A mutation occurs in a single bacterium that causes it to produce a new enzyme. This enzyme helps…

A: Microorganisms are basic unicellular life forms that have a cell level of association. They go…

Q: You sample cole slaw for bacteria soon after purchase, and after it has been left out on the kitchen…

A: The interval for formation of 2 cells from 1 cell is called generation. Time required for this to…

Q: Which of the following is not a vector? Fomite Human Fly Flea Fomite AND human

A: A vector is an organism that can carry and spread a disease causing pathogen. In biotechnology, four…

Q: mutation occurs in a single bacterium that causes it to produce a new enzyme. This enzyme helps the…

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

Q: Describe any four ways that the knowledge acquired from environmental microbiology can be applied in…

A: The COVID-19 is a pandemic caused by the coronavirus, which affects individuals in different ways.…

Q: Escherichia coli is a good indicator of water pollution because this bacterium Group of answer…

A: E.coli and salmonella are some of the common intestinal bacteria. They are usually harmless and help…

Q: A variety of microorganisms live as symbionts in the human digestive tract. What Determines whether…

A: Need to find the correct option from the given options regarding symbionts.

Q: Please don't copy holding a population of microorganisms (having a z value of 19 ᵒF) at 231 ᵒF for…

A: Answer :: Holding a population of micro organisms having a z value of 19° F at 231°F for one minute.…

Q: I am a gram-negative bacteria, only a chemoheterotroph, a pathogen and spiral shaped. What am I?…

A: Chemoheterotrophs are bacteria that get their energy from organic chemical molecules and get their…

Q: Louis Pasteur said, “The role of the infinitely small in nature is infinitely large.” Explain what…

A: The association or relationship between the members of one or more species is called as symbiosis.…

Q: Microbial forensics is the field of science that is investigating all of the different ways in which…

A: Forensic science is the field that analyzes and examines the crime scene so as to help in…

Q: About how many species of viruses do people have In there lungs on average 17 1750 175 None None of…

A: Although Human body consists of trillions of microorganisms and these microorganisms have an…

Q: What is the difference between a probiotic and prebiotic

A: Prebiotics and probiotics both have their own role to play for better gut health. Probiotics: it is…

Q: The parasite which ingests red blood cell is a. Entamoeba coli b. Entamoeba histolytica c.…

A: Kingdom Protista consists of unicellular eukaryotic organisms that may be autotrophic or…

Q: Which of the following is NOT a true statement?   Infected people without symptoms can sometimes…

A: The answer of this question is all are correct. Yes infected people without symptoms an transmit the…

Q: What is the best explanation for why a bacteriostatic treatment might be chosen over a bacteriocidal…

A: Microbiology is the branch of science that deals with the study of microorganisms that are too small…

Q: Which of the following statements is FALSE? vaccinations provide protection against many infectious…

A: Vaccination is a process of introducing antigens of infectious agents to human body with objective…

Violence

Violence is defined as a physical act that causes or is intended to cause harm. Violence can cause physical, emotional, or both types of harm. Violence is defined by the World Health Organization as the intended use of physical force and power that causes threat or harm against oneself, another person, or against a community or group, and has the potential to cause damage, death, mental distress, maldevelopment, or poverty.