Which of the following rows identifies the expected relative concentrations of PCBs in the tissues of three of the organisms shown in the food web above?Row Low PCB Concentrations Moderate PCB Concentrations High PCB ConcentrationsA. Beluga Whale Arctic Cod Polar Bear B. Arctic Cod Zooplankton Phytophlankton C. Arctic Cod Harbour Seal Polar Bear D. Beluga Whale Thick-billed murre Walrus

Q: gastroenteritis that has occurred at a restaurant. You identify cooked (boiled) rice that was…

A: 1. Correct answer is presence of endospores Uncooked rice can contain spores of Bacillus cereus,…

Q: Some potentially pathogenic bacteria and fungi, including strains of Enterococcus, Staphylococcus,…

A: The infection that spread in the hospital settings are called nosocomial infections. Hospital is a…

Q: Pathogen population size correlates with the severity of an infection. What is the most inexpensive,…

A: To quantify bacteria, we can use methods like:Plate Counting (CFU): Dilute and plate samples, count…

Q: In a bacterial culture on an agar plate, what is a zone of inhibition?     An area where the…

A: Microbial culture is a method of multiplying microbial organisms by letting them reproduce in…

Q: Decimal Reduction time is a measurement of What percentage of a microbial population is removed…

A: INTRODUCTION Decimal reduction time Time required at the given condition or a set of condition to…

Q: i need help finding the  the type of metagenomic data that the study gathered in the article and…

A: The article titled "Metagenomics of pasteurized and unpasteurized gouda cheese using targeted 16S…

Q: An extreme-weather event has knocked out power in your community. Even with rebuilding efforts, it…

A: Food preservation is essential to avoid the wastage of food. There are natural as well as man made…

Q: A bacterium using oxidation/reduction of inorganic compounds as the energy source and CO2 as the…

A:

Q: Which of the following is FALSE about interpreting the results of normal microbial flora experiment?…

A: Huge diversity of microbial flora could be found with the skin and mucous membranes of the hosts…

Q: What is the growth rate of the E. coli population?

A: We know that the bacteria doubles after a certain time: Number of bacteria in beginning of growth…

Q: Which of the following cannot be grown in artificial media and must be grown in live animals or…

A: Artificial media is a medium that is defined. This medium is chemically defined. It is a synthetic…

Q: Erythromycin, an antibiotic discovered in 1952 from soil bacterium Saccharopolyspora erythraea, was…

A: Yes, Philippines scientist namely Abelardo Aguilar discovered erythromycin from soil bacteria -…

Q: Bacteria can grow under a variety of conditions but also have growth preferences. Bacteria that…

A: The need for oxygen may be used to categorize different types of microorganisms. The way that…

Q: Some potentially pathogenic bacteria and fungi, including strains of Enterococcus, Staphylococcus,…

A: Presence of potentially pathogenic bacteria and fungi in hospitals leads to hospital acquired…

Q: Considering what you know about molds and yeasts, why do you think that we do not use the same…

A: Both the mold and the yeast they have the  microscopic functioning. Earlier, they were to be  part…

Q: In the first image, some of the food vacuoles are filled with very small organisms that are green.…

A: Paramecium belongs to ciliated protozoans. These organisms are single-celled eukaryotes. They…

Q: Do you think Rickettsia rickettsii can grow on blood agar? Explain.

A: Rickettsia rickettsii is an vital example of gram negative coccus bacteria

Q: In your own words discuss the statement "Mass Deaths of Marine Mammals spur Veterinary…

A: Mass deaths of marine mammals spur veterinary microbiology

Q: Malaria is caused by a microbe that completes part of its sexual life cycle in a mosquito and part…

A: 16 - False statement is B = The mosquito would be considered a reservoir. 17=False staement is C…

Q: Which of the following best describes the change in the percent of penicillin-resistant S. aureus…

A: Staphylococcus aureus is a Gram-positive, round-shaped bacterium that belongs to the Bacillota…

Q: What is believed to be the concentration of bacteria in soil? 109-1010 cells/g dry weight 105-106…

A: Introduction Bacteria are the unicellular living cells/organisms belonging to the domain prokaryote.…

Q: /hich of the following are ways in which forming a biofilm can make a bacterial fection more…

A: Option b.

Q: Source of Carbon Usual Source of Example Energy Photoautotroph Photoheterotroph Chemoautotroph…

A: Microorganisms are divided into nutritional groups depending on how they meet their carbon and…

Q: hen we try to study the bacterial flora of the body, soil, water, or just about any environment, e…

A: Introduction : In microbiology, a pure culture is a culture grown in the lab that only contains one…

Q: You are working for the CDC studying outbreaks of foodborne infectious disease. Your latest case is…

A: Foodborne bacterial diseases are a major concern worldwide and the cause of the infection…

Microbes

Microbes are microscopic living organisms that can only be detected with the help of specialized laboratory equipment called a microscope. These living organisms are so small that they are not visible to the naked eye.