Q: If a bacterial isolate shows intermediate to moderate resistance to an antimicrobial, how might this…
A: Bacteria are microscopic single-celled prokaryotes that thrive in diverse environmental conditions.…
Q: Agar is a solidifying agent used in media preparation. What makes it ideal for cultivation of…
A: Agar is a natural polysaccharide. It is mostly used in the lab and acts as a solidified agent. It…
Q: What is the effect of light on microbial growth?
A: Introduction:- The quantity of bacteria in a population, rather than the size of individual cells,…
Q: What is the importance of an antimicrobial removal device (ARD)?
A: The antimicrobial removal device (ARD) is a device that removes antibiotic residues from blood…
Q: Why is resazurin a useful media additive for the study of anaerobes?
A: Resazurin is a weakly fluorescent, non-toxic, redox-sensitive phenoxazine dye which has a…
Q: How does bacteria grow on agar plates?
A: Bacteria are the most primitive organisms on Earth. They can survive in most extreme environments as…
Q: micro-organisms are the most resistant to heat sterilization?
A: Most of the bacteria cannot survive adverse heat condition. But somehow particular bacteria can…
Q: when heat treatment is used as to contril microbial growth, what is the immediate impact of this…
A: The process of killing microbes or preventing their growth is called as sterilization. Sterilization…
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: Why are antimicrobial processes inhibited in the presence of extraneous organic matter?
A: The extraneous organic material denotes the blood, serum, pus, etc. Here we will know why the…
Q: How are microorganisms able to change the pH of the media in which theyare grown?
A: The microbes can live and reproduce only within an optimum range of environmental conditions. Many…
Q: why do microorganisms differ in their response to disinfectants
A: Microorganisms are the minute microscopic organism that is generally invisible to the human eye.…
Q: Explain the usage as antimicrobial agents and disinfectants of Phenol and phenolics, alcohols,…
A: Introduction An Antimicrobial Agent Is A Chemical That Kills Or Inhibits The Growth Of Bacteria.…
Q: How does alkaline treatment improve the quality of agar/carrageenan extracted from the seaweed…
A: Agar is a polysaccharide created from two essential additives. Agarose and agaropectin. Agarose is…
Q: . How could microorganisms be used to remove phosphate in wastewater?
A: Microalgae are able to convert nutrients from wasrewater into biomass and bioproducts,thus improving…
Q: What is the relation of microbail growth to microbial physiology?
A: Microbes are small organisms that are found in a diverse range of habitats. The rate of growth and…
Q: What is the principle behind sterilizing media before use and before disposal
A: Microorganisms may be beneficial or harmful. The harmful microorganism causes many infections which…
Q: Which of the following are antimicrobial halogens? Select all that apply. a. iodophores b. bromine…
A: Halogens are a group of elements in a periodic table which also act as compounds. Examples are…
Q: How does the extremely high resistance of bacterial endospores influence sterilization practices,…
A: Endospore refers to a nonreproductive, dormant composition generated by some kind of bacteria. It…
Q: What is the use of hay infusion in determination of microbial motility?
A: Hay infusion use in determination of microbial motility.
Q: How do microorganisms in a chemostat differ frommicroorganisms in a batch culture?
A: Microbial culture refers to breeding or growing of microorganisms in laboratory-controlled…
Q: Why do you think autoclave sterilization of media is preferred over open flame?
A: An autoclave is used to sterilize surgical equipment, laboratory instruments, media and other…
Q: What is selective medium?
A: Description of a selective medium.
Q: What is the media used in Urease Test and expected results?
A: Urease test is defined as a biochemical test that distinguishes the basic alkaline fermentation of…
Q: Why must water be subjected to microbiological analysis?
A: Water is used for various purposes in daily lifestyle including food. Thus, it should be monitored…
Q: Compare and contrast the action of alcohols, halogens, and oxidizing agents in controlling…
A: Alcohol is used as disinfectant for centuries.Alcohol is extremely effective in fight against single…
Q: Why does saliva not serve as a good microbialgrowth medium?
A: Saliva is the watery, frothy substance that is produced in the mouths of some animals, including…
Q: What are the different types of Microbial Control
A: Microbial control agents are the biotically-derived chemical compounds or secondary metabolites that…
Q: How is household antibacterial soap like a weapon against pathogenic bacteria?
A: Antibacterial soaps are those that contains certain chemicals that inhibit the growth of pathogens .
Q: How can organisms develop resistance to chemical disinfectants?
A: Bacteria can develop resistance to disinfectants over time either by acquisition of exogenous mobile…
Q: selective agar media for gram-positive bacteria?
A: Phenyl Ethyl Alcohol Blood Agar is a selective media for gram positive bacteria.
Q: Why is egg enrichment not added to BPA prior to sterilization?
A: Baird–parker agar or BPA is a selective medium is identify or isolate S. aureus in food. It contains…
Q: Why does hydrogen peroxide are most effective against probiotics?
A: Hydrogen peroxide is a peroxide. It acts as an oxidizing agent
Q: How does being in a biofilm affect an organism’s susceptibility to antimicrobial agents?
A: Introduction Microorganisms can be found living in colony or in solitary. However, sometimes…
Q: In which growth phase are microorganisms most sensitive to antimicrobial agents? Why?
A: Bacterial growth means that bacteria divides and result in the formation of daughter cells. There…
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: Write the limitations of sterilization by Dry heat?
A: The dry heat sterilization technique includes the removal or killing the microorganism and require…
Q: Why is chlorination, although beneficial in terms of bacterial pathogen control, of environmental…
A: Chlorination is a disinfection procedure in which microorganisms are killed by the use of chlorine…
Q: WHAT IS THE CONNECTION OF BACTERIAL CULTIVATION TO MICROBIAL PHYSIOLOGY
A: Microorganisms are simple living organisms that can be observed through a microscope. The common…
Q: What is the role of antimicrobials in disrupting microbial biota and causing superinfections?
A: The intestines are a great source of microbiota for mammals and humans. However, our understanding…
Q: What is the difference between a disinfectant and an antiseptic?
A: As per our company's guidelines we are supposed to answer single question at a time, please repost…
Q: What are the different types of Pasteurization?
A: Pasteurization is the process of heat processing the liquid (mainly milk) or food so that the…
Q: Are you able to identify the lag, log, stationary and death phase in using this growth curve? Are…
A: The growth curve of bacterial cells can be divided into four distinct phases known as lag, log (or…
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- how can ultraviolet be used to control microbial growth. which specific UV can be used to control microbe?Of what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?What is the most difficult type of microbial cell or structure to kill? What methods can be used to sterilize a sample contaminated with these?
- How is UV radiation a good type of control mechanism against microbial growth? Explain what happens to the microbe and effects this control causes.What is the relation of microbail growth to microbial physiology?Listen Which of the following methods of microbial control is used most often with surgical equipment? a) autoclave b) sugar and salting c) dessication d) lyophilization