Which of the following does NOT describe a colony? a visible growth on a streak plate...
Which of the following does NOT describe a colony?
| a visible growth on a streak plate |
| an outcome on a successful streak plate |
| used to develop a pure culture |
| one kind of bacterium |
| a mixture of microbes in an environment |
Homework Answers
Colony is individuals of the same species:
Therefore defining colony as a a mixture of microbes in an environment is not true about colonies
Add Answer to:
Which of the following does NOT describe a colony?
a visible growth on a streak plate...
1-5 ASSESSMENT Critical Thinking and Learning Outcomes Review 1. In the streak-plate technique, how are microorganisms...
1-5
ASSESSMENT Critical Thinking and Learning Outcomes Review 1. In the streak-plate technique, how are microorganisms diluted and spread out to form indi lluted and spread out to form individual colonies? 2. Which area of a streak plate will contain the greatest amount of growth? The least amount of growth Explain your answers 3. Does each discrete colony represent the growth of one cell? Explain your answer. Why can a single colony on a plate be used to start a...
1) During streak plate technique, the loop is heated in between the sector of quadrants. This...
1) During streak plate technique, the loop is heated in between the sector of quadrants. This ensures a) To get dense colonies b) To get individual isolated colonies c) To differentiate Gram positive and Gram negative bacteria c) To kill the infectious microorganism Streak plate is a a) Qualitative isolation method b) Quantitate isolation method c) Non dilution isolation method d) None of the above A pure culture is best defined as a) group of microorganisms that are genetically similar...
Streak Place Isolation for Obtaining Pure Cultures Data Interpretation Please type the answers to the following...
Streak Place Isolation for Obtaining Pure Cultures Data Interpretation Please type the answers to the following questions below (double spaced) and attach the data collection sheets when you hand in this lab report. 2. When an agar plate is inoculated, why is the loop sterilized after the initial Inoculation is put on? 2. Define pure culture, a mixed culture? 3. Define a bacterial colony. List four characteristics by which bacterial colonies may be distinguished? 4. Why should a Petri dish...
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...
Directions: There are two parts for this lab. The first part is working with the Microscope...
Directions: There are two parts for this lab. The first part is
working with the Microscope slides. The second part is working with
media.
Task 1 – Bacteriology Survey Microscope Slides
Directions: There are eight different bacterium you need to
research.
Below is the following bacterium you need to describe and include
an image for.
• Streptococcus
• Treponema
• Neisseria gonorrhoeae
• Klebisella pneumonia
• Unstained Bacillus
• Bacillus cereus
• Clostridium tetani
• Escherichia coli
Task 2 –...
Lab Questions at End (picture 3) QUESTIONS This week in lab you will learn an important...
Lab
Questions at End (picture 3)
QUESTIONS
This week in lab you will learn an important technique that microbiologists use to isolate one bacterial species from the population of other microbes it was living with in the natural environment. In most environments there are mixed populations of bacteria. For instance, 600 different types of bacteria have been isolated and identified in the mouths of humans. In soil or water there are also many types of bacteria present. In order to...
Lab Report-Carbohydrates 1. Purpose 2. Special Media for Isolating Bacteria (Lab #12) a. Why are dyes...
Lab Report-Carbohydrates 1. Purpose 2. Special Media for Isolating Bacteria (Lab #12) a. Why are dyes such as phenol red, eosin or methylene blue added to the media? b. How does the bacterium change the media (i.e color of agar or colonies) after incubation? C. In this experiment, which media are selective, and which are differential? d. How did the results observe on the mannitol salt agar and EMB agar correlate to the Gram reaction of the bacteria? e. What...
Micrebes in the Environment QUESTIONS What in the advantage of using Petri plate rather thon tet...
Micrebes in the Environment QUESTIONS What in the advantage of using Petri plate rather thon tet t in mieriogy? 2What are bacteria uaing for nutrienta in satrient agsr What is the perpoe of the agar? CRITICAL THINKING Did all the organiems living in or on the environmente aompled gw on your nutrient agar Briefly explain. 1. 2 How could you determine whether the turbidity in your nutrient broth tube was from a mixture of diferent microbes or from the growth...
You are given a mixed culture of two organisms in a small tube of TSB.
You are given a mixed culture of two organisms in a small tube of TSB. These two organisms include a Gram-negative strain (your bacterial strain to identify) and a Gram-positive strain (a contaminant). Your first task is to isolate these organisms which will help you identify which Gram-negative strain you are working with. 1) You inoculate two streak plates on TSA media and MacConkey Agar using aseptic technique. For each medium, state whether the medium is selective, differential, or neither and...
What instrument is used for food canning? Question 1 Not yet answered Select one: O a....
What instrument is used for food canning? Question 1 Not yet answered Select one: O a. autoclave Points out of 1.00 b. oven P Flag question c. regenerator d. steamer Question 4 When performing a gram stain, what is the purpose of heating the slide once the bacteria have been added? Not yet answered Points out of 1.00 Flag question Select one: a. kill the balleria b. attach the bacteria to the slide c. increase the permeability of the bacteria...
1-5
ASSESSMENT Critical Thinking and Learning Outcomes Review 1. In the streak-plate technique, how are microorganisms diluted and spread out to form indi lluted and spread out to form individual colonies? 2. Which area of a streak plate will contain the greatest amount of growth? The least amount of growth Explain your answers 3. Does each discrete colony represent the growth of one cell? Explain your answer. Why can a single colony on a plate be used to start a...
1) During streak plate technique, the loop is heated in between the sector of quadrants. This ensures a) To get dense colonies b) To get individual isolated colonies c) To differentiate Gram positive and Gram negative bacteria c) To kill the infectious microorganism Streak plate is a a) Qualitative isolation method b) Quantitate isolation method c) Non dilution isolation method d) None of the above A pure culture is best defined as a) group of microorganisms that are genetically similar...
Streak Place Isolation for Obtaining Pure Cultures Data Interpretation Please type the answers to the following questions below (double spaced) and attach the data collection sheets when you hand in this lab report. 2. When an agar plate is inoculated, why is the loop sterilized after the initial Inoculation is put on? 2. Define pure culture, a mixed culture? 3. Define a bacterial colony. List four characteristics by which bacterial colonies may be distinguished? 4. Why should a Petri dish...
Directions: There are two parts for this lab. The first part is
working with the Microscope slides. The second part is working with
media.
Task 1 – Bacteriology Survey Microscope Slides
Directions: There are eight different bacterium you need to
research.
Below is the following bacterium you need to describe and include
an image for.
• Streptococcus
• Treponema
• Neisseria gonorrhoeae
• Klebisella pneumonia
• Unstained Bacillus
• Bacillus cereus
• Clostridium tetani
• Escherichia coli
Task 2 –...
Lab
Questions at End (picture 3)
QUESTIONS
This week in lab you will learn an important technique that microbiologists use to isolate one bacterial species from the population of other microbes it was living with in the natural environment. In most environments there are mixed populations of bacteria. For instance, 600 different types of bacteria have been isolated and identified in the mouths of humans. In soil or water there are also many types of bacteria present. In order to...
Lab Report-Carbohydrates 1. Purpose 2. Special Media for Isolating Bacteria (Lab #12) a. Why are dyes such as phenol red, eosin or methylene blue added to the media? b. How does the bacterium change the media (i.e color of agar or colonies) after incubation? C. In this experiment, which media are selective, and which are differential? d. How did the results observe on the mannitol salt agar and EMB agar correlate to the Gram reaction of the bacteria? e. What...
Micrebes in the Environment QUESTIONS What in the advantage of using Petri plate rather thon tet t in mieriogy? 2What are bacteria uaing for nutrienta in satrient agsr What is the perpoe of the agar? CRITICAL THINKING Did all the organiems living in or on the environmente aompled gw on your nutrient agar Briefly explain. 1. 2 How could you determine whether the turbidity in your nutrient broth tube was from a mixture of diferent microbes or from the growth...
What instrument is used for food canning? Question 1 Not yet answered Select one: O a. autoclave Points out of 1.00 b. oven P Flag question c. regenerator d. steamer Question 4 When performing a gram stain, what is the purpose of heating the slide once the bacteria have been added? Not yet answered Points out of 1.00 Flag question Select one: a. kill the balleria b. attach the bacteria to the slide c. increase the permeability of the bacteria...
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