Based on the growth you saw on your Lee’s Agar plate, what conclusions can you make about the bacteria present in the yogurt sample?

Q: Phenyl Ethyl Alcohol agar encourages the growth of what type of microorganisms?

A: Answer - Option A - Gram positive bacteria

Q: Enterobacteriaceae species might be differentiated (from one another) by all of the following…

A: Amino acid fermentation reports by enterobacteriaceace family members has not been published yet.…

Q: List the different type of bacteria depending on the salt concentration required for their growth?…

A: Halophiles are found in  three domains -Inside the Bacteria  halophiles depend on salt concentration…

Q: Does a positive presumptive test mean that the water is absolutely unsafe to drink? Explain. 2.…

A: Presumptive tests are cheaper than the confirmatory test. These tests are conducted to ensure the…

Q: Explain whether the MacConkey agar plate inoculated with good water would show the presence of…

A: Water contamination is the presence of unwelcome particles in the water. Water bodies may become…

Q: What will the appearance of Escherichia coli be on MacConkey Agar red and Eosin Methylene Blue (EMB)…

A: UTIs are commonly caused by uropathogenic E.coli. Extraintestinal infections such as meningitis and…

Q: Do Gram-negative bacteria grow on PEA agar? If not, what prevents their growth?

A: ANSWER;-

Q: Characterize the following bacteria: Gram reaction: Shape: Arrangement: Special structure/s if any:…

A: Thank you for the question  Answer = Borellia burgdorferi is Gram negative Shape  = It is Rod…

Q: EXPLAIN THE PURPOSE OF THE METHYL RED AND VOGES-PROSKAUER TESTS IN DETERMINING THE IDENTITY OF GRAM…

A: Enterobacteriaceae are the group of various gram-negative bacteria that are responsible for various…

Q: MacConkey Agar Lactose fermenter or non-fermenter: ___________________________ Gram reaction based…

A: Alfred Theodore MacConkey invented MacConkey agar (MAC) in the twentieth century, which was one of…

Q: Why is it important to determine the number of mesophilic spores in a food ingredient?

A: Sometimes  spore forming mesophilic bacteria found in food ingradient, mainly in dairy product. It…

Q: What bacteria grow on both a MacConkey agar plate and Mannitol Salt agar?

A: Selective media  The media is a kind of growth media which only allow the growth of a perticular…

Q: How would you distinguish between Staphylococcus aureus and S. epidermidis on mannitol salt agar and…

A: Hi! Thanks for your question. As you have posted multiple questions and have not mentioned which one…

Q: Identify the oxidase-negative, gram negative bacillus isolated from the blood cultures of a…

A: Gram-negative bacteria are those that do not retain the crystal violet stain after gram staining.…

Q: why macconkey agar and mannitol salt are regard as salective and deffrental medium?

A: A culture medium is just water and nutrients that support microbic growth. Primary culture media for…

Q: Which lactose (+), Gram negative, short rod forms a pink to brick red colony on MacConkey's agar and…

A: Bacteria that cannot retain the crystal violet stain as their cell envelopes are composed of…

Q: What is the correct shape of the unknown bacterium growing on your mannitol salt agar

A: Mannitol salt agar also known as MSA is commonly used selective agar in microbiology. This material…

Q: Given: Enterobacteriaceae, Vibrionaceae, Pasteurellaceae and other organisms such as…

A: The bacteria can be first group as gram negative or positive by gram staining

Q: If coliform bacteria are native to human colons, why the big concern over coliform contamination?

A: According to the question, we have to mention the solution of the question asked above i.e. If…

Q: what  are these bacteria growing on BA and Maconkey agar

A: Blood agar or BA is an enriched culture medium having multiple nutrients. Blood agar is generally…

Q: what type of bacteria may cause spoilage in coconut water that has been in the fridge for more than…

A: Coconut Water   Coconut water (CW) is a slightly sweet liquid made from the endosperm of coconuts.…

Q: What information can obtain from observing the growth of bacteria on liquid agar?

A: Liquid agar is a liquid media mixed with agar which when heated solidifies and then is used as a…

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: C MSA (Mannitol Salt Agar) Match the description to the correct Bacterium A= growth, agar is yellow…

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

Q: why are psychrotrophic bacteria incubated at 7 degrees

A: Each species of microbe has a preferred temperature that lies somewhere between its characteristic…

Q: You collected a sample from a patient with a suspected STI. After Gram staining, you observed this…

A: The staining of bacteria is an important method of classifying the bacteria There could be multiple…

Q: Do Gram-positive bacteria grow on PEA agar? If not, what prevents their growth?

A: Bacteria are common, mostly free-living organisms that are often made up of only one biological…

Q: Can simply observing the colonies formed on agar plates and the results of a few biochemical tests…

A: These are biochemical test is to perform to identify different type of bacteria.

Q: What information can obtain from observing the growth of bacteria on solid agar?

A: Agar is a jelly-like substance, obtained from rhodophyceae that are commonly knows as the red algae.…

Q: The nitrites part of the dipstick test is mainly looking for which family of bacteriaE…

A: Kidneys are the organs belong to excretory system in our body and play a major role in several other…

Q: Why does saliva not serve as a good microbialgrowth medium?

A: Saliva is the watery, frothy substance that is produced in the mouths of some animals, including…

Q: Why is it important to distinguish between E.coli & E. Aerogenws in contaminated water samples?

A: E.coli is a rod-shaped, gram -ve, facultatively anaerobic, coliform bacterial species that is…

Q: how does the work of winogradsky and beijerink have contributed to research on bacterial pathogens ?…

A: The Russian microbiologist Sergei Winogradsky discovered soil bacteria and also isolate anaerobic…

Q: What types of bacteria grow on nutrient agar?

A: Nutrient agar is a nutrient-rich medium that allows the growth of a wide range of organisms in the…

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: Did the yogurt congeal? Did obtain the expected bacteria on Lee’s agar? What factors may have led to…

A: Lee's agar is used specifically for differential enumeration of bacteria especially starter bacteria…

Q: Based off Pasteur’s sterility experiment, which of the following choices is least likely to result…

A: Louis Pasteur was the scientist who invented pasteurization, which is a technique to kill…

Q: Is there any pH buffering system or device for acidic microbiological experiments?

A: All biological processes are dependent on pH, cells and organisms must maintain their specific and…

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…

Q: Draw two tubes showing how you have inoculated microorganisms in urease and in nutrient agar

A: Inoculation is the transfer of the bacteria on the nutrient medium to show its growth. The tools…

Q: Based on the results of this Gram stain and the ID matrix below, which of the following microbes…

A: Gram' s staining helps in bacterial identification and their further classification.  On the basis…

Q: Complete the table to contrast EMB Agar and MSA.

A: Media play a pivotal role in growth of Microorganisms.Media provide Nutrients to the organisms that…

Q: Describe the appearance of coliforms on Levine EMB agar.

A: Coliform bacteria are found in a diverse range of places like waste products of animals, water…

Q: Based on the bacterial cultivation, what are the possible organisms under its gram reaction?

A: Gram reaction in microbiology is a staining procedure that is used to differentiate bacteria based…

Q: Describe colonial characteristics of the organisms grown on the different culture media according to…

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

Q: Using the data from table 1, determine the growth temperature classification for a. Е. coli…

A: Hello, thank you for the question. I am answering the first two questions, please repost the…