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4. Levine EMB agar is used to culture a. Gram positive bacteria b....
help please What type(s) of bacteria are favored to grow on eosin methylene blue (EMB) agar?...
help please
What type(s) of bacteria are favored to grow on eosin methylene blue (EMB) agar? Select one: O a Gram positive bacteria that can undergo anaerobic respiration. O b. Gram negative bacteria that can ferment glucose and/ or lactose, O c. Only those bacilli that can utilize citrate as a main carbohydrate source. O d. All Bacteria would grow equally well A bacterial species grows on a MacConkey agar plate, and the colonies have dark red color with hazy...
MacConkey agar questions 4. Would this bacteria be a Gram positive or a Gram negative? How...
MacConkey agar questions 4. Would this bacteria be a Gram positive or a Gram negative? How do you know? 5. Does this bacteria ferment lactose? How do you know?
Background Ques part 1) Selective and differential media; EMB and Tsl agar bacill inhabit a wide...
Background
Ques part 1)
Selective and differential media; EMB and Tsl agar bacill inhabit a wide range of environments. Many are significant pathogens, such a coli, Salmonella, Shigella, but many compose our normal flora and inhabit soil and water. Many gra negative bacilli that inhabit our large intestine are called enterics. Enteric pathogens are the most frequent cause of diarrheal illnesses and have become significant contaminants spread through foo Some can also cause respiratory and urinary infections. Experiment 1: EMB...
There may be more Which of the bacteria (A-E) would you expect to be catalase positive...
There may be more Which of the bacteria (A-E) would you expect to be catalase positive and why? than one of the bacteria positive for catalase. A OBLIGATE AEROBE B FACULTATIVE ANAEROBE CAEROTOLERANT ANAEROBE D OBLIGATE ANAEROBEE MICROAEROPHILE Extra: In a Gram stain one step could be omitted and still allow differentiation between Gram positive and Gram negative bacteria. What is that step? Why?
I need help answering these questions Part 3: MacConkey agar and EMB agar Watch the following...
I need help answering these questions
Part 3: MacConkey agar and EMB agar Watch the following video (LINK) in this folder. You will be answering questions on this video, so please go over the questions first. Go over exercises 4-4 and 4-5. Answer the following questions 1. Define Enterobacteriaceae and coliforms (may have to do some research online). 2. What Enterobacteriacae is EMB and MacConkey agar selective for? 3. What carbohydrate is contained in both EMB and MacConkey agar? 4....
1)An eosin methylene blue (EMB) agar plate was inoculated with four different species of bacteria. Below...
1)An eosin methylene blue (EMB) agar plate was inoculated with four different species of bacteria. Below are the colony growth after inoculation. Which shows a vigorous lactose fermenter? A) A brown media with an oblong culture of bacteria. The colony shows vigorous growth and is the same color as the media. B) A brown media with an oblong colony of bacteria that experiences weak growth. The color of the media is visible through the translucent white color of the bacterial...
please help solve The main types of bacteria in the colon are: Select one: O a....
please help solve
The main types of bacteria in the colon are: Select one: O a. obligate anaerobes O b. Obligate aerobes. O c. Facultative anaerobes: O d. Aero tolerant anaerobes: Supply the missing enzyme for the following reaction to occur. OH НО, OH "OH OH Glucose Select one: O a. amylase O b. catalase O c. lactase O d. oxidase
2. You are given a mixed broth culture of Pseudomonas fluorescence (Gram-negative) and Clostridium sporogenes (Gram-positive)....
2. You are given a mixed broth culture of Pseudomonas fluorescence (Gram-negative) and Clostridium sporogenes (Gram-positive). You are instructed to isolate and purify each bacterial species. How are you going to do it? Your goal is to have a plate of pure P. fluorescence with isolated colonies and a plate of pure C. sporogenes with isolated colonies. Explain in detail how you are going to perform the exercise. You can use any media you like such as nutrient agar plate,...
You have three pure cultures of bacteria. One is Gram positive bacteria and the other two...
You have three pure cultures of bacteria. One is Gram positive bacteria and the other two are Gram negative bacteria but you have mixed up the labels. You know that one of the Enteric bacteria can ferment glucose and produce ethanol and CO_2. The other can ferment glucose and produce lactic acid. Describe the general procedure you could perform to determine of the three cultures which one is which? A one gram sample of hamburger is diluted to 10^-4 in...
A microbiology instructor prepares cultures for a gram-staining laboratory by inoculating growth medium with a gram-positive...
A microbiology instructor prepares cultures for a gram-staining laboratory by inoculating growth medium with a gram-positive coccus (non motile) and a gram-negative rod (motile). The goal is to demonstrate staining of a mixed culture of gram negative and gram positive cells. The flask in incubated at 35 C for 24 hours without aeration or shaking. A sample is stained and reveals only gram-negative rods. Both cultures are known facultative anaerobes. Give a likely reason for success of the gram-negative rod....
help please
What type(s) of bacteria are favored to grow on eosin methylene blue (EMB) agar? Select one: O a Gram positive bacteria that can undergo anaerobic respiration. O b. Gram negative bacteria that can ferment glucose and/ or lactose, O c. Only those bacilli that can utilize citrate as a main carbohydrate source. O d. All Bacteria would grow equally well A bacterial species grows on a MacConkey agar plate, and the colonies have dark red color with hazy...
MacConkey agar questions 4. Would this bacteria be a Gram positive or a Gram negative? How do you know? 5. Does this bacteria ferment lactose? How do you know?
Background
Ques part 1)
Selective and differential media; EMB and Tsl agar bacill inhabit a wide range of environments. Many are significant pathogens, such a coli, Salmonella, Shigella, but many compose our normal flora and inhabit soil and water. Many gra negative bacilli that inhabit our large intestine are called enterics. Enteric pathogens are the most frequent cause of diarrheal illnesses and have become significant contaminants spread through foo Some can also cause respiratory and urinary infections. Experiment 1: EMB...
There may be more Which of the bacteria (A-E) would you expect to be catalase positive and why? than one of the bacteria positive for catalase. A OBLIGATE AEROBE B FACULTATIVE ANAEROBE CAEROTOLERANT ANAEROBE D OBLIGATE ANAEROBEE MICROAEROPHILE Extra: In a Gram stain one step could be omitted and still allow differentiation between Gram positive and Gram negative bacteria. What is that step? Why?
I need help answering these questions
Part 3: MacConkey agar and EMB agar Watch the following video (LINK) in this folder. You will be answering questions on this video, so please go over the questions first. Go over exercises 4-4 and 4-5. Answer the following questions 1. Define Enterobacteriaceae and coliforms (may have to do some research online). 2. What Enterobacteriacae is EMB and MacConkey agar selective for? 3. What carbohydrate is contained in both EMB and MacConkey agar? 4....
please help solve
The main types of bacteria in the colon are: Select one: O a. obligate anaerobes O b. Obligate aerobes. O c. Facultative anaerobes: O d. Aero tolerant anaerobes: Supply the missing enzyme for the following reaction to occur. OH НО, OH "OH OH Glucose Select one: O a. amylase O b. catalase O c. lactase O d. oxidase
2. You are given a mixed broth culture of Pseudomonas fluorescence (Gram-negative) and Clostridium sporogenes (Gram-positive). You are instructed to isolate and purify each bacterial species. How are you going to do it? Your goal is to have a plate of pure P. fluorescence with isolated colonies and a plate of pure C. sporogenes with isolated colonies. Explain in detail how you are going to perform the exercise. You can use any media you like such as nutrient agar plate,...
You have three pure cultures of bacteria. One is Gram positive bacteria and the other two are Gram negative bacteria but you have mixed up the labels. You know that one of the Enteric bacteria can ferment glucose and produce ethanol and CO_2. The other can ferment glucose and produce lactic acid. Describe the general procedure you could perform to determine of the three cultures which one is which? A one gram sample of hamburger is diluted to 10^-4 in...
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