Q: Illustrate the step by step method of preparing culture media.
A: Introduction Culture medium:- It is a liquid or gel designed for specific mixtures of nutrients and…
Q: Identify and describe the 4 wet-heat methods that are used to control microbial growth.
A: The different methods used for controlling the growth of microbes by moist heat are boiling,…
Q: Define agar.
A: A dried jelly-like substance called agar, commonly referred to as agar-agar, is made from the red…
Q: define both selective and enrichment media as they may be used in clinical microbiology
A: Media in microbiology or also known as bacterial culture media. It is a growth medium used to grow…
Q: Define sterilization in terms of microbiology.
A: Sterilization is a process by which all the possible living forms like bacteria, fungi, protozoa and…
Q: Choose two from the following culture preservations that are best to use when only an ordinary…
A: Many laboratories and biological companies maintain large culture collection centres. These are…
Q: Explain why specimens should be taken aseptically and processed quickly to ensure accurate results,…
A: Microbiology is the study of microscopic organisms, such as bacteria, viruses, Achaea, fungi and…
Q: The following media are used to grow bacteria for various purposes. Match the examples of media that…
A: MacConkey Agar: - Selective Growth Medium Malt Extract Agar:- Complex Medium
Q: What is a pure culture?
A: Introduction Culture is referred to th process of growing the cell outside the animal or plant body…
Q: tate the apparatus used view small samples
A: The world is full of organisms. Organisms have developed from minute single celled structures to…
Q: Why would the optical tweezers be a method superior to dilution and liquid enrichment for obtaining…
A: Optical tweezers have been used to trap dielectric spheres, viruses, bacteria, living cells,…
Q: Differentiate moist heat from dry sterilizing heat.
A: Dry heat sterilization:-one of the oldest techniques of sterilisation is dry heat sterilisation of…
Q: Define a pure culture.
A: A microbiological culture, or microbial culture, is a strategy for duplicating microbial life forms…
Q: microbiology: Aseptic Culture Techniques Lab Explain why a loop or needle is flamed before it is…
A: The process of introducing a microorganism in a plate or a tube containing culture media is called…
Q: Can culture media be placed in a freezer? Why or why not
A: Culture media are also called as growth media. They are mixture of nutrients and other substances…
Q: discuss the significance of the different aseptic techniques utilized in maintaining sterility of…
A: The laboratory that carries out growth of prokaryotic cells or eukaryotic cells in physiological…
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 should be taken into consideration in the selection of the culture preservation method?
A: The problem of maintaining microbial culture is one that many fields of microbiology face. The…
Q: What are bioreactors ? How are large volume of culture maintained and processed in them ?
A: A bioreactor is a system that enables organisms (such as yeast, bacteria, or animal cells) to…
Q: The factors for the manipulation of culture medium?
A: Culture medium It is also called a growth medium. It is a solid, liquid, or semi-solid medium that…
Q: Enumerate and describe briefly the components of a culture medium and indicate their uses
A: Culture medium is a preparation for the growth or cultivation of microbes in vitro and includes…
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: Explain the significance of aseptic culture technique in growing microorganism
A:
Q: What makes a culture media as SELECTIVE? Explain and provide examples of selective type of culture…
A: A culture medium or growth medium is a substance that is used to grow the microorganisms under…
Q: You have a broth medium that you would like to turn into a solid medium in order to do streak…
A: The "nutrient broth" is essentially nutrient agar without the solidifying agent. They stay liquid at…
Q: Compare and contrast pure culture, mixed culture, contaminated culture, and subculture.
A: Culturing is a process of inducing the replication or growth of microorganisms by providing…
Q: Enlist th five differences between crude media and defined media.
A: Microbiology uses different types of culture media for the growth, culturing, and study of different…
Q: Heat-labile material to be introduced to culture medium was filtered using membrane filters with…
A: given that the heat labile material which is introduced to culture media is filtered using a…
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 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: To measure the culture temperature, why is the thermometer placed in a tube separate from the…
A: A microbe or microorganism is a microscopic organism that is too small to be seen with the naked…
Q: What is the best streaking technique in a culture media? Explain
A: In microbiology, there are five I's that symbolise five different procedures used in the laboratory…
Q: Differentiate between defined and complex culture media
A: To differentiate: Chemically defined and complex culture media
Q: Differentiate individual sampling and pooled sampling in dissolution.
A: Dissolution testing is an important testing method of drugs during manufacturing. It is used to…
Q: explain methods for cleaning beans using flat bed screen and drum spray cleaner
A: Much of the mechanical cleaning procedures must be performed in the field for proper storage of the…
Q: Illustrate the different solid tubed media formed 1. Deep/Butt solid tubed media 2. Slant solid…
A: The selection of media is a crucial point in determining the generation of contamination-free…
Q: Which of the following types of media would be appropriate to use in order to culture a fastidious…
A: Answer:- From all the four above-mentioned medias yeast extract media and nutrient media are…
Q: Assume that you had plated your +PGLO culture on an LB agar plate. What result (number of colonies)…
A: +pGLO culture is a type of bacteria that has been genetically modified to produce a fluorescent…
Q: Elaborate on the advantages of examining colony in an agar plate.
A: An agar plate is a Petri dish which have a development medium set with agar, utilised to culture…
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: Dilute cells from an old culture 1:50 into 200 mL cultures. What volume of the old culture would you…
A: Culture consists of appropriate substances which provides the growth to the desired organisms.
Distinguish batch culture and continuous culture
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Solved in 2 steps with 1 images
- Describe how the streak-plate method is used to obtain a pure culture and how the resulting culture can be stored.What is the difference between a mixed culture and a contaminated culture if they both contain more than one type of organism ?Distinguish the difference between a sterile media plate and a contaminated media plate.
- How can you obtain PURE CULTURES in microbiology?Name and explain the culture media that can be used for cultivating non-specific and specific microorganism? b. can culture medium be placed in a freezer? why or why notWhy do you think the continuous culture has higher chances of contamination than batch and fed-batch culture?