Q: What is a mixed culture? A contaminated culture?
A: A microbiological culture, or microbial culture, is a technique for increasing microbial creatures…
Q: Why is the level of contamination measured as number of colonies rather than size of colonies?
A: Microbiological contamination refers to the presence of unwanted or accidental introduction of…
Q: Describe how the streak-plate method is used to obtain a pure culture and how the resulting culture…
A: In microbiology, culture refers to microbial growth of a certain species maintained in controlled…
Q: Why does a streaking method used to inoculate plates result in isolated colonies?
A: Streaking method is used to obtain pure colonies of microbes(bacteria) from a proper single species…
Q: Name two ways that pure, mixed, and contaminated cultures aresimilar and two ways that they differ…
A: Microorganisms are isolated and cultured for various reasons. Culture is the observable growth that…
Q: What is the difference between culture-based technique and culture-independent techniques based on…
A: A microbiological culture, also known as a microbial culture, is a way of multiplying microbial…
Q: Are the large numbers of microorganisms found in the mouth cause for concern? Explain.
A: We are authorized to answer one question at a time.Since you have not mentioned which one,I am…
Q: Why is the culture medium referred to as a highly enriched laboratory soil?
A: Culture medium is referred to as highly enriched laboratory soli because it provides all the…
Q: What are the disadvantages of doing a total microbial count by examining wet mounts under the…
A: Ans- Wet mounts have the following drawbacks: The benefit of being able to observe movement can also…
Q: Write an introduction related to culture media and isolation of pure culture technique (streak plate…
A: In microbiology, there are five I’s which represent five different techniques used in the…
Q: Why was a blood agar, rather than a nutrient agar, plate used for the culture from your mouth?
A: Cultured bacteria are any bacteria that grow in the lab by the microbiologist using the required or…
Q: Does the image above represent a pure culture? Yes O No
A: Answer- No
Q: What are the 4 types of culture?
A: Biological cultures include common laboratory means, which are involved in studying living organisms…
Q: How can the enrichment culture technique be used medically?
A: Bacteria require appropriate environmental conditions for its growth. Solid or a liquid preparation…
Q: Why after a certain period the growth rate of the culture decreases until growth stops?
A: Warmth, dampness, pH levels and oxygen levels are the four major physical and chemical components…
Q: What temperature is considered adequate for achieving sterilization of a compost pile?
A: temperature considered for achieving sterilization of a compost pile is 135-160 F. At a…
Q: Describe the step by step method of preparing culture media in microbiology.
A: Culture media are the media or the substrate used to grow microorganisms. There are different types…
Q: What are the factors which need to be considered in the selection of culture vessel?
A: Culture vessels:- Culture vessels provide a contamination barrier to protect the cultures from the…
Q: temperature and light source affect the number and type of colonies that can be found in the…
A: Microbes such as bacteria, fungi, viruses are grown at the earth's surface. The atmosphere provides…
Q: How is the correct way of incubating culture plate media? Explain why is that so.
A: After the way of life medium is set, and streaked with the necessary microbe/stock, the cover is put…
Q: Why might viable cell cultures be of more use in microbialtaxonomy than preserved specimens?
A: Microbial taxonomy is a field of biological sciences that deals with the grouping of microorganisms…
Q: Provide three reasons why the use of aseptic technique is essential when handling microbial cultures…
A: Aseptic techniques means using practices and procedures to prevent contamination from pathogens. It…
Q: Give at least two other examples of samples that are best prepared using Smear Preparation…
A: Smear preparation technique: it is used to fix the samples onto the slides.
Q: If you had a mixed culture that contained a Gram-negative enteric bacterium and Gram-positive…
A: MSA or mannitol sale agar used in microbiology. It encourages growth of some group of bacteria…
Q: Explain why it is important to use only a small amount of bacteria when preparing a smear
A:
Q: chemically defined media b. complex culture media
A: Media is a growth medium of solid,liquid and semi solid type. Diffarent types of media are used for…
Q: What are the advantages and disadvantages of using the Wet Mount technique?
A: As per bartleby guidelines, we are suppose to answer only one question kindly post other separately.…
Q: Describe three problems associated with using the standard plate count method for determining the…
A: Typically, an accurate count of bacterial colonies is required for biological processes. Microbial…
Q: Why is it necessary to perform a plate count in conjunction with the turbidimetry procedure?
A: Plate counting is one of the most fundamental techniques used in microbiology. It is used to…
Q: What is meant by the term “enrichment culture”?
A: The culture medium or growth medium is the specific medium, which contains all essential nutrients,…
Q: What does a MEGA plate tell you about your microbial culture?
A: Microbiology is the branch of biology that deals with study of organisms that are too small to be…
Q: Distinguish batch culture and continuous culture
A: Fermentation is used to convert carbohydrates into alcohol or acids. This process occurs in some…
Q: What compounds or chemicals might be added to a medium to make it selective?
A: Culture medium or growth medium is a liquid, solid, or semisolid designed to support the growth of…
Q: What other fields of science besides microbiology is the aseptic technique used?
A: Aseptic technique refers to the procedures that prevent the contamination of microorganisms. They…
Q: What is the nature of samples that should NOT be placed inside the drying-oven?
A: According to the question, we have to explain the nature of the samples that should not be placed…
Q: What things can be done during sample collection of a sick patient to help eliminate the culture of…
A: Normal flora is the organisms that are present in the body for normal functioning. The normal flora…
Q: How does the age of a culture affect the Gram stain reaction? What is an optimum culture age for a…
A: To identify the unknown bacteria this gram staining is used. This staining technique differentiate…
Q: Differentiate between defined and complex culture media
A: To differentiate: Chemically defined and complex culture media
Q: Assuming you had a bacterial culture with a concentratoion of 2x10^9 bacteria/mL, whaat volume would…
A: A microbiological culture, also known as a microbial culture, is a technique for growing…
Q: Distinguish the difference between a sterile media plate and a contaminated media plate.
A: streaking is a method to extract pure culture organisms from a different population of…
Q: What microbe requires serum components to be added to the growth medium?
A: Introduction Microorganisms:- An organism that can be seen only through a microscope, They live in…
Q: Describe the difference between batch and continuous culture techniques
A: Bacteria and fungi, for example, are extremely valuable to a wide range of industries.…
Q: How to reduce or eliminate aerial contamination inside the laboratory?
A: Indoor air quality (IAQ) : To main the indoor air quality becomes an important aspect especially in…
Q: What are the primary uses of the following preparations of culture media? Agar regular slant Agar…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…
Q: What is this media? What type of media is it? Which type of organism can grow on this plate?…
A: Media is... Agar This is the solids type of Media. Organism type... Streak plate technique is used…
Q: To dilute a bacterial culture, 500 μl of a 16 hour culture is mixed with fresh culture media to a…
A: Given Values: Volume of the 16 hour culture = 500 μl Final Volume of the culture media = 5 ml
Q: What is the goal of isolation streak plate technique? Why is microbial considered a pure culture?
A: Streaking : Streaking for isolation on an agar plate involves the successive dilution of organisms…
What is the difference between a mixed culture and a contaminated culture if they both contain more than one type of organism ?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- In the Harada-Mori culture technique, how are you going to dispose the culture tubes? Is it suitable to use refrigerated samples for this procedure Why or Why not?Why is dilution a necessary part of pure culture preparation?22. A pure culture refers to a culture that contains multiple types of organisms. a) Trueb) False
- What type of media are culture medium 1 and culture medium 2? And its difference to each other?Mueller-Hinton agar needs to be made to specific standards in order to yield reliable, reproducible results. How deep is the agar on a Mueller-Hinton agar plate? a) 2 mm b) 4 mm c) 6 mm d) 8 mmWhy is it important to keep the culture at the correct incubation temperature when measuring the generation time?
- Transparent double-sided dishes used for growing microbes are most commonly called A) Petri dishes. B) baker dishes. C) sterilization plates. D) culture medium plates.What is the purpose of adding sodium bicarbonate to a culture medium?What is the difference between culture-based technique and culture-independent techniques based on the principle behind the method?