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The answer obtained is in cfu/ml
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You are provided below with a data set for three surface spread plates obtained from a...
Multiple Choice. Highlight the single correct answer choice. 1. Streak plates are useful in microbiology to...
Multiple Choice. Highlight the single correct answer choice. 1. Streak plates are useful in microbiology to __________. quantify the number of bacteria measure turbidity identify bacteria determine cell shape 2. In the streak-plate technique, the intent is to isolate bacteria by dilution in theory by __________. dilution on a solid surface separating cells within the solid surface using a pipette dilution in water blanks 3. A pure culture consists of which of the following? one genus of microbe one species...
A. You have been given a tube of E. coli. You are asked to make 1...
A. You have been given a tube of E. coli. You are asked to make 1 mL total volume of 10-1 dilution of the bacterial culture. Explain how you would do this. Show all necessary calculations. ____ ml cells + _____ ml water = 1 ml (total volume) B. Next, you were asked to make a 10-2 dilution of the bacterial sample. Explain how you would perform this. Show all necessary calculations. You have bacteria at a concentration of 2...
2. A series of 1 ml samples from tube #4 of the dilution s eries below are spread on agar plates,...
2. A series of 1 ml samples from tube #4 of the dilution s eries below are spread on agar plates, resulting in the growth of an average of 68 colonies per plate. What is the concentration of colony-forming units (cfu/mi) present in the original culture? 0.1 ml 0.1 ml 1 ml 1 ml 100 ml 9.9 ml 9.9 ml 9 ml 9 ml 2 4 3. The culture flask at left contains a total of 3.2 x 10s cfu....
microbiology help TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will...
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
I need help answering the following microbiology questions. 1. The three tubes in the image to...
I need help answering the following microbiology
questions.
1. The three tubes in the image to the right contain glucose and the pH indicator phenol red. The middle and left tubes were inoculated with bacteria, and the right tube was left uninoculated as a control. Which of the tubes show evidence of heterolactic fermentation? a. Left tube Gas b. Middle tube c. Right tube d. None of the three tubes Yellow Red Red 2. Which of the three tubes in...
2. A series of 1 ml samples from tube #4 of the dilution s eries below are spread on agar plates, resulting in the growth of an average of 68 colonies per plate. What is the concentration of colony-forming units (cfu/mi) present in the original culture? 0.1 ml 0.1 ml 1 ml 1 ml 100 ml 9.9 ml 9.9 ml 9 ml 9 ml 2 4 3. The culture flask at left contains a total of 3.2 x 10s cfu....
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
I need help answering the following microbiology
questions.
1. The three tubes in the image to the right contain glucose and the pH indicator phenol red. The middle and left tubes were inoculated with bacteria, and the right tube was left uninoculated as a control. Which of the tubes show evidence of heterolactic fermentation? a. Left tube Gas b. Middle tube c. Right tube d. None of the three tubes Yellow Red Red 2. Which of the three tubes in...
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