Is the eosin methylene blue agar? (EMB) a complex or defined medium? Explain based on its composition. What media is MSA explaining based on what kind of Organisms it allows to grow

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: Describe the advantages and disadvantages of aldehyde agents in microbial control.

A: The general formula of aldehydes is R-CHO. Several low molecular weight aldehydes are antimicrobial.…

Q: If the pH indicator were left out of MacConkey agar, the medium would bea) complex.b)…

A: Microbiology is the study of microorganisms that are invisible to the naked eye. The microorganisms…

Q: You culture an unknown bacterial species on MSA media.  The organism grows well, and the media turns…

A: MSA is a type of medium that is selective as well as differential and is extensively used in…

Q: 300 +0,005 mg/mL - 0,010 mg/mL - 0,015 mg/mL +0,020 mg/mL 0,025 mg/mL + 0,030 mg/mL -0,035 mg/mL 250…

A: Microbial Growth Curve: The number of living cells in a bacterial population over time is…

Q: Is the Tryptoc Soy Agar (TSA) a complex defined medium? Explaining based on its composition?  Is TSA…

A: Trypticase soy agar  (TSA) and Trypticase soy broth is a growth media for the culturing of bacteria.

Q: Why del factor is important in media sterilization?

A: Sterilization, which was called by various means such as Del factor, Nabla factor and the…

Q: Explain why high concentration of suger, salt and acid do not support microbial growth, only it have…

A: Microbial Growth refers to the growth of a microbial population i.e., an increase in its cell number…

Q: Agar is a solidifying agent used in media preparation. What is its origin?

A: Agar gel is a polysaccharide which can become liquefied at temperatures ranges from 85°C to 90°C and…

Q: What type pof media encourages the growth of some organisms but suppresses the growth of others?…

A: Culture media are also known as nutritive media or growth media and they are the nutritive mixtures…

Q: Why does secondary treatment of wastewater require O2?

A: Secondary treatment is a part of wastewater disposal system, where the sewage or other waste waters…

Q: Why is the membrane filter method preferred to the most probable numbermethod (MPN) for the…

A: Most probable number (MPN) is a method used to estimate the numbers of bacterial cells in a water…

Q: Is the Triple-Sugar Iron Agar (TSIA) a complex or defined medium? Explain based on its composition.…

A: A growth medium is a also known as a culture medium which can be solid, liquid, and even…

Q: A broth culture is initially inoculated with a single bacterial cell. For the first hour the…

A: * Given that  The bacteria has generation time of 30 minutes. So it takes about thirty minutes to…

Q: Why have several specialized media been developed? Give an example ofone such medium.

A: Culture media is of basic importance for many microbiological tests: to get pure cultures, to grow…

Q: Why are extended periods of exponential microbialgrowth in nature rare and often slower than…

A: Microbial growth is the proliferation of the microbe into genetically identical daughter cells, by…

Q: hich method for introducing microbes on media uses an inoculation loop and the bacterial sample is…

A: Answer. The four-quadrant streak method is used for introducing microbes on media using an…

Q: ou are given an unknown bacterium in the lab and have to determine unknown bacterium's oxygen needs.…

A: Each living organism has certain kind of respiration process for synthesizing energy by breaking…

Q: Why do we study how to control microbial growth? Give concrete examples wherein our understanding of…

A: Introduction :- Bacterial growth occurs when a bacterium divides into two daughter cells, a process…

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 microbial control method would you use to clean a papercut? Why did you make that choice?…

A: A paper cut occurs when a piece of paper or other thin, sharp material slices a person's skin,…

Q: Explain why it is essential that bacteria cultures be sterilized in an autoclave.

A: The microbial cultures are grown in the laboratory so as to multiply them or increase the number of…

Q: What is differential medium

A: Differential medium or indicative media contain compounds which support the growth of microbes and…

Q: Give a brief but critical discussion about microbial growth in natural environments and how it…

A: Living creatures reproduce and grow. Microbes become metabolically active and proliferate when they…

Q: WHAT IS THE TYPE OF Growth patterns on Agar Slant and Broth Medium

A: Growth and morphogenesis of plant is determined by the composition of culture media. There are few…

Q: What is the advantage of the plating method over an electronic cell counting method in counting…

A: Bacteria culturing is done in order to grow the bacterial strains that are able to show resistance…

Q: Which microbial control agent would most effectively inhibit anaerobes and why

A: Hydrogen Peroxide

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: Define the term “colony” as it relates to bacterial growth on solid media.

A: The pure culture techniques are carried out in the microbial laboratories, where the microbes of…

Q: Describe the five phases of a microbial growth curve observed when microbes are grown in a batch…

A: Introduction: Bacteria is unicellular prokaryotic organism that can survive in any kind of…

Q: Is the Mueller-Hinton Agar (MHA) a complex or defined medium? Explain based on its composition. Is…

A: Mueller and Hinton in 1941 developed Mueller Hinton Agar(MHA). MHA is used for routine…

Q: Describe the five phases of a microbial growth curve observed when growing microbes are grown in…

A: The bacterial growth curve represents the number of live cells in a bacterial population over a…

Q: An organism capable of growing only in a low salt concentration, such as saline, is considered…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: Define the following termonologies in brief :  Focal Adhesion Biofilm  Calcification and examples…

A: "Since you have asked multiple parts of the same question, we are eligible to answer only the first…

Q: What is a pure culture and why is obtaining one useful inmicrobial ecology?

A: Microbes are living organisms. They are ubiquitous. They cannot be seen by the naked eyes. In…

Q: Agar is a solidifying agent used in media preparation.a. What is its origin? b. What makes it ideal…

A: A growth medium or culture medium is a gel or liquid designed to support microorganism growth. The…

Q: What is the difference between selective and differential media? Give one example of each.

A: Culture medium is referred to as a medium of nutrients that supports microbic growth. The amount of…

Q: Is nutrient agar (NA)  a complex or defined medium? Explained based on its composition. Is NA a…

A: a complex media is a media in which the exact composition is not known . it usually conatins…

Q: It may seem contradictory that lyophilization can be used to preservefoods yet also be used to keep…

A: Lyophilization is a stabilizing process in which the substance is subjected to freeze drying and the…

Q: what information about the identity and physiology of a bacterium or yeast can be learned from…

A: Micro organisms are grown in a solid medium (agar) with supplements as a primary step in order to…

Q: Is there any pH buffering system or device for acidic microbiological experiments?

A: All biological processes are dependent on pH, cells and organisms must maintain their specific and…

Q: Spores and toxin-producing microorganism produce toxins need higher Aw than minimum Aw for microbial…

A: Water activity (aw) is basically a term describing the availability of water to microorganisms. It…

Q: If a biotechnologist wishes to obtain a primary metabolite, they will harvest the organism/media…

A: Bacteria are omnipresent and are found in air, water, soil, etc. Each bacterial species has a unique…

Q: ar contains salt to prevent the growth of most microbes and mannitol plus a pH indicator to detect…

A: In order to produce and culture different types of microbial species, a culture media is required.…

Q: Name at least one reason that we might want to use a Winogradsky column rather than a laboratory…

A: The Winogradsky column can be used to study various levels of growth that is aerobic or anaerobic…

Q: List 5 other methods of sterilization and describe the principle/s and when each method is used.

A: (Please note that, you provided more than one question, I can only answer one question at a time,…

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: An unknown bacterium produces colorless colonies when inoculated onto an EMB plate. Predict what you…

A: EMB stands for Eosin Methylene Blue. It is a selective stain used for the growth of gram-negative…

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…

Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.