While working with Mannitol Salt Agar you notice the growth of staphylococci however other microorganisms are growing as well. How would you interpret this? Explain.

Q: If lysozyme is added to a microbial culture. Predict what will be observed if the culture is…

A: Microorganisms are small organism that cannot be seen by naked eyes. They include bacteria, fungi,…

Q: What is it called when you stab the nutrient agar during the inoculation step of isolating a…

A: Introduction :  A solid or liquid media that contains nutrients and is used to cultivate bacteria or…

Q: while working with mannitol salt agar you notice the growth of staphylococci however other…

A: Mannitol Salt Agar is used as a selective and differential medium for the identification and…

Q: What media should you use to cultivate the following microorganisms:   E.coli Haemophilus sp.…

A: Most microbiological experiments require culture media in order to acquire pure cultures, develop…

Q: Bacteria are not used as probiotic agents. True O False The growth of bacteria that form endospores…

A: Bacteria are prokaryotic microorganisms. Bacteria are ubiquitous in nature and are found almost in…

Q: What is the Key Gross Morphology Characteristics on different Primary Plating Media for Enterococcus…

A: Various agar medium are used for plating in order to grow different gram positive and gram negative…

Q: Describe how each of the following would appear when grown on EMB agar: a. Escherichia coli b.…

A: EMB stands for Eosin Methylene Blue. This media is used as a seletive stain for the gram negative…

Q: Which of the following media are selective, differential, and test for lactose fermenters? What is…

A: MacConkey plates are selective , differential and test for lactose fermenters.

Q: In this exercise, the action of bactericidins will be evaluated by __________. observing color…

A: Bacteriocins are small and cationic antimicrobial peptides, ribosomally synthesized by lactic acid…

Q: 1. While working with Mannitol Salt Agar you notice the growth of staphylococci however other…

A: Mannitol Salt Agar is a selective and differential media used in microbiology.

Q: Describe how to make bacterial culture in different media. Explain different cultural techniques…

A: The predigested protein provides nutrition for the growth of bacteria. A culture medium must contain…

Q: Choose for the organisms below, depending on the incubation condition and media whether they will…

A: Culture media, also known as growth media, are specific nutrient and other substance mixtures that…

Q: Demonstrate your understanding of industrial microbiology by explaining the involvement of in the…

A: Industrial microbiology is a well known field of microbiology in which various microorganisms are…

Q: What type of agar would you use to grow gram positive bacteria

A: Bacteria are different from the plant as well as animals. They require specific substances in the…

Q: why would selecting a colony from a blood agar plate to test with enterotube be bad

A: Selecting a colony from a blood agar plate to test with an Enterotube may not be ideal for several…

Q: Describe the appearance of an S. agalactiae colony grown on blood agar. Describe how that colony…

A: The initial identification of the enterococcal and streptococcal species is based on their hemolytic…

Q: Explain why the media where the Staphylococcus aureus is plated has turned yellow but the media…

A: Mannitol Salt Agar (MSA) is a differential and selective medium. A member of the staphylococcus…

Q: How you can differentiate between Escherichia coli and Shigella on MacConkey agar?

A: The term “Culture media” defines the solid, liquid, or semi-solid design to assist the…

Q: What types of bacteria are inhibited on MacConkey agar

A: MacConkey agar,  contains peptones, lactose, bile salts, NaCl, neutral red (pH indicator), and…

Q: explain how the use of an Eosin methylene blue agar plate can help determine the type of fermenters…

A: Eosin methylene blue agar (EMB) is a selective and differential media.

Q: If you prepare culture media plates 2 days ahead of the laboratory schedule, can you still use the…

A: Preparation of culture media and inoculation are two of the very sensitive steps in any…

Q: What is the result of Staphylococcus epidermidis in the TSI agar test?

A: Bacteria are microorganism that most commonly occur in the soil, air, water and in adverse…

Q: How we can isolate microorganism from food?  Please briefly explain at your own words.

A: Microorganisms are cosmopolitan in nature, which means they are present everywhere- in air, on…

Q: How should agar plates be incubated? Why?

A: Incubating the plates to stimulate the growth of microbes is a crucial step in any microbiology…

Q: Use of streak plate technique to isolate and purify psychrotrophic spoilage-causing bacteria

A: There are billions of bacteria in the human body that make up the natural flora to resist the…

Q: With liquid media such as broth, is it possible to determine if the culture is pure using the naked…

A: A culture is a method by which microbes are allowed to reproduce and multiply in predetermined…

Q: Do you think that you will be able to determine the CFU’s in the food samples by counting the…

A: In order to maintain organisms or to ensure that subcultures from isolation plates are pure before…

Q: The following is a Mannitol Salt Agar plate. What does the growth on this plate indicate? ww t ASM's…

A: Microbiology is the branch of science that deals with the study of microorganisms. Microorganism are…

Q: Write a detailed description of the following plate  1- blood Agar plate  2-PEa Agar Plate

A: An agar plate refers to a Petri dish containing an agar solidified growth medium which is meant for…

Q: how could you determine if there is any contamination on your agar?

A: Agar consists of two polysaccharides, agarose and agaropectin, but agarose making up about 70% of…

Q: What type of agar would you use to grow gram negative bacteria

A: Gram-negative bacteria are the bacteria that do not consist of the crystal violet stain and they are…

Q: what information about the identity and physiology of a bacterium or yeast can be learned from…

A: Micro organisms are grown in a solid medium (agar) with supplements as a primary step in order to…

Q: Which of the following multicellular mold spoils bread? O Schizosaccharomyces pombe O Rhizopus…

A: Answer to question 1 is option b.)  Rhizopus stolonifera. Also known as Black bread mold.

Q: What media should you use to cultivate the following microorganisms: E.coli Haemophilus sp.…

A: Note - we are supposed to answer 3 subpart of the question. Please  repost the remaining ones…

Q: Why does uninoculated agar plates still has visible growth of microorganisms? Where do you think the…

A: Microorganisms are present in abundance in nature. When there are no aseptic conditions then…