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

Q: Which of the following is an approved sterilant? a. chlorhexidine c. ethylene oxide b. betadyne d.…

A: The process used for the destruction or removal of all the spores, living cells and acellular…

Q: What advantages do solid media offer for the isolation ofmicroorganisms?

A: Micro-organism are those that cannot be seen by the naked eye, but are visible under microscopes.…

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: How to prepare tryptone agar, tryptone broth and tryptone soft agar from other chemical contents and…

A: Tryptone is formed by the enzymatic digestion of casein by the trypsin enzyme. Tryptone is used as a…

Q: component used as a solidifying. .-1 agent for media

A: Since there are multiple questions in this particular question I'll answer the first one for you. If…

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: Which of the following is false?a) A high-level disinfectant cannot be used as a sterilant.b)…

A: According to the risk for transmitting microbial infections, the medical instruments are classified…

Q: what is the difference between sterilizer , disinfectant & surfactant ?

A: There are thousands of microorganism present in the environment. Most of them are harmful to the…

Q: Why is it sufficient to stain cells from a SDA (Sabouraud Dextrose Agar) plate with crystal violet…

A: Introduction : Sabouraud agar, often known as Sabouraud dextrose agar (SDA), is a peptone-containing…

Q: What is the most efficient disinfectant of the following ( Alcohol, chlorine, soap ,hijyn), and…

A: Disinfectants are chemical agents that are built on inert surfaces to inactivate or kill…

Q: What is the physical appearance (solid, liquid, semi-solid) of following media: agar plate

A: The Agar plate is made from mixing agarose and a growth medium onto a petri dish. Agarose is in a…

Q: In the laboratory, autoclaving is required to prepare media for the growth of What type of method of…

A: The most effective method by which we sterilize the laboratory instruments is known as autoclaving.

Q: Serial dilution is recommended prior to pour and spread plate. Why is this so?

A: Pour Plate: it is a technique in which A plate made by combining the inoculum which is cooled but…

Q: why it is useful to plot the microbial growth from a growing microbial culture?

A: The term microbial growth refers to the growth of a population of microbe, it is an increase in the…

Q: Many antibacterial hand soaps contain the chemical agent _____ , which belongs to the _____…

A: Sodium hypochlorite is commonly used chemical agent in mildew remover for prevention of infection…

Q: If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium…

A: Mannitol salt agar (MSA) is used as a culture medium or growth medium. Growth medium is a medium…

Q: Why is the time of exposure and temperature required for sterilization greater for dry heat than for…

A: Any technique that removes, destroys, or deactivates all forms of life and other biological agents…

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: What is differential medium and differential media? Explain the difference ?

A: Difference between differential medumium -   .- A differential medium support the expansion of any…

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: During the preparation of the capsule stain, the slide used to spread the India ink/bacteria mixture…

A: Capsule stain is a type of differential stain which uses acidic and basic dyes to stain the…

Q: How alcohol is effective at contolling microbial growth?

A: Sterilization: Sterilization includes the complete wipeout of all microscopic life on a surface.…

Q: Explain why it is important to use only a small amount of bacteria when preparing a smear

A:

Q: What are some advantages and disadvantages of using ionizing radiation to sterilize food?

A: Sterilization involves physical methods for removing or controlling the microbes. The physical…

Q: What is differential medium

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

Q: Which of the following best descrives UTI agar? Selective growth media; Differential Growth Media;…

A: A growth or culture medium is a liquid, solid or semi-solid medium, which is designed in a way that…

Q: Why should caps of glassware be loosened first before sterilization? [Answer in not more than 2…

A: Sterilization is defined as the process which removes , kills or deactivates all forms of life (in…

Q: What makes agar good support for microbial growth?

A: Microbial culture is a method of multiplying microbial organisms by letting them reproduce in…

Q: For preparation of a smear on a slide, what is the purpose of heat fixation? What problems can arise…

A: The preparing a slide that has to be observed under a microscope there are multiple steps that are…

Q: Can culture media be sterilized in the hot air oven? why or why not?

A: Sterilization is the process of deactivating, killing, or removing any kind of microorganism (or…

Q: Why is 15 minutes generally used for sterilization? Why is agar added to medium?

A: Sterilization is the process in which all life forms like microbes (fungi, bacteria, viruses,…

Q: What is the main difference between plates before and after centrifugation? What may be the purpose…

A: Answer: CENTRIFUGATION = It is the process involving mechanical force that is centrifugal force,…

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: Why should you filter some liquids for sterilization, rather than autoclaving them?

A: To control microbial growth or contamination there are a number of aseptic techniques developed that…

Q: What are several microbial targets of pasteurization?

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

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: Give the components, properties and special considerations in preparation (if there's any) on the…

A: MacConkey Agar . It is selective for gram- negative rods bacteria. EMB . It is selective for fecal…

Q: Is the mannitol salt agar (MSA) a complex or defined medium? Explain based on Composition. What kind…

A: The selective ingredients of MSA the bile salts and the dye, crystal violet which inhibit the growth…

Q: What is the meaning of the word sterile? What would happen if culture media freshly prepared were…

A: Sterile It refers to the state of being free from any bacteria or any other living microorganisms.…

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: 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: Why should agar media be completely dissolved before they are dispensed in tubes and plates? What…

A: Introduction  A growth medium, also known as a culture medium, is a solid, liquid, or semi-solid…

Q: If you suspect that your microbial culture growing in nutrient broth is contaminated, what can you…

A: The contamination refers to the growth of one or more undesired cultures in your pure sample. It can…

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: Which ingredient is included in the motility test to make the results easier to see? bromthymol blue…

A: A motility test is a test that is performed to check whether the organism is motile in its nature or…