Using this flow chart, a species that is alpha-hemolytic and catalase-negative is       Streptococcus pyogenes     Streptococcus pneumoniae     Enterococcus faecalis

Q: Create a dichotomous key Use the following bacteria and place them at the top of your key:…

A: Use the following bacteria and place them at the top of your key: Enterococcus faecalis…

Q: shows beta-hemolysis [Choose ] [ Choose ] shows gamma hemolysis C A Microbe could be GAS…

A: Blood agar is a solid bacterial nutrient medium containing red blood cells generally from sheep.…

Q: y is an organism such as Staphylococcus adapted to growth on the human skin but the streptococci are…

A: When the pH and temperature of the environment are right, a creature can thrive there,

Q: Enterobacter Aerogenes - Question 1. Relation to human health. Discuss how your organism

A: Enterobacter Aerogenes is a gram negative rod shaped bacteria. It is more resistant to antibodies.…

Q: Streptococci/Enterococci Name of Organism: Enterococcus durans Type of Medium Blood Agar Color…

A: It is fairly easy to differentiate between Streptococci and Enterococci, both the type of bacteria…

Q: Which of the following type of bacteria commonly causes hospital acquired infections via the fecal…

A: Hospital acquired infections are caused by few bacteria these are called as nosocomial infections…

Q: This is a figure from a recent paper comparing different bacterial pathogen strains. What is being…

A: Pathogens are microbes that cause disease in host.

Q: Consider the photos here which demonstrate antibiotic sensitivities of Staphylococcus aureus strains…

A: Antibiotics are medications that are used to treat infections caused by microorganisms such as…

Q: Determine the optimal pH (or range of pH) for: Escherichia coli and Staphylococcus aureus

A: Several factors like temperature, pH ,food etc determine the growth and survival of an organism.

Q: "If you find purple colonies with metallic green sheen growing on your EMB plate following an…

A: Introduction : Gram-negative bacteria can be identified using the selective stain Eosin-Methylene…

Q: Which of the bacteria would likely carry an endotoxin? Mark all that apply - Shigella sonnei -…

A: Bacteria are prokaryotes without any cell organelles or well defined nuclear region. They are mainly…

Q: Using the Koch's Postulates, support the finding that Mycobacterium tuberculosis is the causative…

A: Please follow step 2 for detailed explanation.

Q: What is the difference between the use of the shape bacillus and the name Bacillus? Staphylococcus…

A: Microbiology is the study of microorganisms that are invisible to the naked eye. The microorganisms…

Q: Show a diagram of beta-hemolysis and alpha-hemolysis by different bacteria on blood agar and explain…

A: Hemolysis is the process by which red blood cells in the blood are broken down by chemicals or by…

Q: What is the principle of the coagulase test result? How does coagulase contribute to the virulence…

A: Coagulase test is used to detect whether the microbes present in media produce coagulase or not.

Q: In what ways is the organism Streptococcus pyogenes different from Staphylococcus aureus?

A: Streptococcus is a gram positive coccus . They are spherical in shape.

Q: Define the term pyogenic, what is this term referring to?

A: Pyogenic are those bacteria which leads to Infections in which pus is produced. Pus is white-yellow,…

Q: Which of the following bacterial species is considered normal flora of the mouth? O 1) Streptococcus…

A: The oral microflora is a collection of microorganisms that live in the mouth. There are about 700…

Q: Why does the medical microbiological community propose that physicians be more cautious in their…

A: Antibiotics are the substances used by human organism that inhibit the activity of other…

Q: Can someone help me make a dichotomous key for for the species listed below

A: The above list contains both gram negative and gram positive bacteria. Biochemicals tests help in…

Q: Provide the names of the two unknowns using the list of tests attached below .List of possible…

A: Gram stain: microscopy reveals gram positive rod shaped bacilli MSA:no growth on MSA. blood test:the…

Q: The organism tested on Blood Agar (plate shown furthest to the left) is: a. Micrococccus luteus b.…

A: INTRODUCTION Blood agar This is a solid culture medium consisting of blood, peptones and agar. In…

Q: According to the hemolysis results, how does Bacillus cereus differ from B. subtilis?

A: Given: To find how does Bacillus cereus differ from B. subtilis.

Q: Which of the following would be present in highest numbers in the indigenous microflora of the skin?…

A: Indigenous microflora Our skin contains various microorganisms such as bacteria fungi  which are not…

Q: McConkey agar plate is used to determine     which carbohydrates a bacteria can ferment     if the…

A: To grow bacteria, required nutrients should be incorporated into the culture media. These culture…

Q: Which of the letter labeled microbes is exhibiting alpha-hemolysis?

A: The lysis or breakdown of red blood cells is called hemolysis. There are three types of hemolysis…

Q: Correctly identify the bacteria based of the information provided: Bacilli, Gram-, oxidase-, Motile.…

A: Bacteria are ubiquitous microscopic prokaryotic organisms that cannot be seen as such through naked…

Q: Using the chart attached, determine a single characteristic that would allow you to distinguish…

A: As a member of the Enterobacteriaceae family, Salmonella is known for its capacity to metabolise…

Q: How would you interpret the hemolytic reaction on this SBA plat

A: The term hemolysis refers to the lysis of red blood cells. The enzyme which catalyzes the reaction…

Q: For which one of the following enteric illnesses is a chronic carrier state most likely to develop?…

A: Chronic carrier state refers to acts as the carrier or reservoir of the pathogen and the carrier has…

Q: Explain why coagulase positive bacteria are more pathogenic than coagulase negative bacteria

A: Coagulase is a protein enzyme produced by several microorganisms that enables the conversion of…

Q: Bacteria whose colonies grow in long chains of spherical cells are classified as___.…

A: Streptococcus

Q: list bacterias that are part of the Enterobacteriaceae family

A: Enterobacteriaceae is a family of gram-native bacteria under Phylum Proteobacteria.…

Q: Four days after a patient has intestinal tract surgery they develop an abdominal infection caused by…

A: Four days after a patient has intestinal tract surgery they develop an abdominal infection caused by…

Q: Which is the most common bacteria found in the skin flora and caused catheter-related infections? a)…

A: Bacterial diseases include any type of illness or disease caused by bacteria, a type of microbe.…

Q: Which of the following is not an acid fast bacterium:  A. Mycobacterium tuberculosis  B.…

A: Acid-fast bacteria stain red after acid-fast staining due to the existence of their cell wall.…

Q: Within a 3-day period at a large hospital, five patients undergoing hemodialysis developed fever and…

A: Given that there were 5 patients undergoing hemodialysis who developed fever and chills. 3 different…

Q: A 23-year-old man develops explosive bloody diarrhea approximately 3 days after eating chicken that…

A: Diarrhea is characterized by the passage of watery or loose stool, at least three times a day. In…

Q: Lipolysaccharides in Gram negative cell walls that stimulates the body to release chemicals that…

A: The cell wall of gram negative bacteria is composed of a layer of peptidoglycan called the inner…

Q: Gram negative diplococci inside neutrophils in an eye exudate would be indicative of ---

A: Gram-negative diplococci inside neutrophils in an eye exudate would be indicative of Gonorrhea.

Q: Which of the following accurately reflects the information in this snip?     When Staphylococcus…

A: Staphylococcus aureus is a gram positive round shaped bacteria and is found is found in the…

Q: Which is the odd one out ? For the rest, explain the concept/process/technique they are involved…

A: Introduction Bacteria are single-celled organisms with a small size. Bacteria can be found…

Q: You observe a blood agar plate and see a clear/transparent area where the bacteria have been…

A: Blood agar  It is a type of enriched media which use to grow fastidious organisms.

Q: If you unfortunately ingested five (5) E. coli cells O157:H7 at 9:00 AM, May 27, how many cells…

A: Introduction  Bacterial cells divide by binary fission. One cell divide to give 2 cells then from 2…

Q: Which of the following is true regarding pathogenic strains of Staphylococcus and Streptococcus,…

A: Staphylococcus are gram-positive cocci that grow in clumps whereas streptococci are also gram…

Q: You are given a mixed culture of 3 bacteria–Methicillin-resistant Staphylococcus aureus(MRSA),…

A: The pure culture consists of a single microorganism. This culture helps to easily evaluate the…

Q: The Enterotube II System is a rapid multi-test method used to differentiate members of the family…

A: The test that is carried out for the identification of the oxidase- negative, gram-negative,…