Describe and give a specific example of a facilitateddiffusion process.
Q: Explain in detail, the stages of micropropagation.
A: Micropropagation is a method of asexual propagation of plants. An entire plant that is identical to…
Q: Explain some of the problems involved in sterilizing delicate andheat-sensitive instruments such as…
A: Sterilization is a process used to kill all the possible microbes like non-spore forming bacteria,…
Q: Define sterilisation.
A: Microorganisms are very small organisms that cannot be seen by naked eyes. They are mostly…
Q: Explain application of microbiology in production of antibiotic.
A: Introduction : Microbiology can be described as the branch of science that deals with the study of…
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: Discuss why it is difficult to treat wounds infected with toxinproducing bacteria.
A: The toxin can be defined as Bacterial toxins and they are the proteins that are capable of achieving…
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: Describe the differential property of blood agar for the isolation and identification of…
A: Blood agar is the medium containing general nutrients and 5% sheep blood. Staphylococci are…
Q: Define sterilization.
A: Microbial control indicates the prevention or inhibition of microbial growth. It involves physical…
Q: Which microbe requires serum components to be added to the growth medium?
A: Some microbes are nutritionally fastidious and hence needs some substances to be added to the growth…
Q: Describe the steps you would take to isolate, cultivate, and identify amicrobial pathogen from a…
A: The techniques used in the identification of microbes can be termed as the six "I's": inoculation,…
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: Show a diagram of beta-hemolysis and alpha-hemolysis by different bacteria on blood agar and explain…
A: Hemolysis is the process by which red blood cells in the blood are broken down by chemicals or by…
Q: What is the application of differential centrifugation?
A: In the laboratories, different kinds of techniques and devices are used to separate components of a…
Q: Differentiate the various types of culture media for the growth of microorganisms: synthetic,…
A: Culture media, also known as growth media, are specific mixtures of nutrients and other substances…
Q: Describe the principle of MPN
A: Bacteria are living organisms. It means they carry out vital functions, like nutrition, interaction,…
Q: Why are complex media preferable to chemically defined media for routinecultivation of…
A: Microorganisms require nutrients as an energy source and certain other environmental conditions to…
Q: Please briefly explain detection methods of counting microorganism? Please answer at your own words.
A: The total microbial count is one of the essential measures used in the management of hygiene. It…
Q: Describe the manner of inoculation for different types of tube media.
A: Microbiology is the study of microorganisms and associated ideas. Microbiology has gone a long way…
Q: Briefly explain the shake-tube inoculation
A: Inoculation is the key process in the microbiology in which inoculum is extracted.
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: Why is it important to use sterile practices when working with microorganisms?
A: Microscopic organisms such as bacteria, fungi (mold and yeast), protists, archaea, algae,…
Q: Name and explain the culture media that can be used for cultivating non-specific and specific…
A: a) nutrient agar & tryptic soy agar, & brain heart infusion agar are culture media that can…
Q: Describe situations that require high-level disinfection and thosefor which medium- or low-level…
A: Step 1 Disinfection involves the use of a chemical sterilant or agent to eliminate virtually all…
Q: Briefly outline the mechanism leading to the occurrence of bioluminescence by these microbes.
A: Answer: BIOLUMINESCENCE : These are living organisms (microbes or bacteria) which produces and…
Q: What is selective medium?
A: Description of a selective medium.
Q: Is UV treament more or less effective than disinfection when used against Saphylococcus aureus?
A: Saphylococcus aureus is a gram-positive bacterium that is found in the human nose, skin, and…
Q: Describe how TCBS medium is used to isolate and differentiate Vibrio.
A: Thiosulfate citrate bile salt is a type of selective agar culture which is used in microbiology for…
Q: Features of continuous cell culture include the following, except ________ . a.addition of product…
A: Introduction: A single cell type that may be serially multiplied in culture for a set number of cell…
Q: Define the following terms; streak plate method, and selective media. State the purpose and…
A: Plating is a microbiological method used to separate microorganisms found in a sample. It is used to…
Q: Distinguish batch culture and continuous culture
A: Fermentation is used to convert carbohydrates into alcohol or acids. This process occurs in some…
Q: Describe conventional techniques used to isolate single colonies and establish a pure culture
A: Answer: Introduction: Pure culture a culture contains growth of only single organism without other…
Q: Identify an acellular infectious agent that is studied in microbiology.
A: Microbiology is the study of various organisms viewed under a microscope, such as bacteria, viruses,…
Q: What is the motivation behind the use of stab slant and surface inoculation
A: Agar slants are prepared by adding the agar media to the test tube and allowing it to cool in a…
Q: Differentiate between defined and complex culture media
A: To differentiate: Chemically defined and complex culture media
Q: Explain why culture based biochemical and genetic testing would not be the ideal method to identify…
A: Microbial culture or microbiological culture is a technique in microbiology in which microorganisms…
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 how the pure culture of mycobacterium ulcerans should be inoculated with the culture
A: The Buruli ulcer (BU) is a necrotizing and weakening cutaneous contamination which is caused by…
Q: Why are aseptic techniques implemented during inoculation?
A: Aseptic means without contamination and Inoculation means transfer of a bacterial sample onto a…
Q: What is meant by the word sterile? Why is aseptic techniquenecessary for successful maintenance of…
A: Microbes are all pervading. They are found everywhere, in air, water, any substratum, inside and on…
Q: What are the advantages and disadvantages of plate count technique over other methods of quantifying…
A: Plate count is a technique in which bacteria are counted by growing on the agar plates. Total…
Q: • Using specific examples, outline some methods to measure cell death by flow cytometry.
A: Cell death is a characteristic part of the lifecycle of a cell. In instances of advancement, it is…
Q: Describe colonial characteristics of the organisms grown on the different culture media according to…
A: Microbiology is the study of microorganisms that are invisible to the naked eye. The microorganisms…
Describe and give a specific example of a facilitated
diffusion process.
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- A) Draw and label the set-up of Manual paraffin wax infiltration. B) Answer the following questions:1. Differentiate the 3 types of tissue Impregnation in terms of: 2. Impregnation Techniques Advantages Disadvantages A. Paraffin Infiltration B.Celloidin Infiltration C.Gelatin Impregnation C) What is the required volume of embedding medium for routine tissue processing? D) What is Plastic embedding? What is Double embedding?Identify the principles of the lyophilization process and list down the precautions and limitations of this process.List two features limiting the adaptation of nonvascularplants.
- Explain the reason why the treatment of trypsin, collagenase, and EDTA is necessary for the isolation of cell.Is the Mueller-Hinton Agar (MHA) a complex or defined medium? Explain based on its composition. Is MHA a A) differential, B) selective, C) both differential and selective media, or D) neither? Explain based on what kind of microorganisms it allows to grow.Please briefly explain detection methods of counting microorganism? Please answer at your own words.
- e) Other than the sedimentation tank, what are TWO other possible alternatives to recycle the cells back to the chemostat. Discuss the advantages and disadvantages of these alternatives in comparison to the sedimentation tank.Is the Triple-Sugar Iron Agar (TSIA) a complex or defined medium? Explain based on its composition. Is the test tube a A) broth, B) slant, or C) deep agar medium? Why is a “needle” used to inoculate?Briefly explain the shake-tube inoculation