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…
Agar is a solidifying agent used in media preparation.
What is its origin?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Agar is a solidifying agent used in media preparation. What makes it ideal for cultivation of microbes?Agar is a solidifying agent used in media preparation.a. What is its origin? b. What makes it ideal for cultivation of microbes? c. How and why does the agar concentration in semisolid media differ from conventional solid media?Agar is a solidifying agent used in media preparation. How and why does the agar concentration in semisolid media differ from conventional solid media?
- During media preparation, you observed that the agar medium did not solidify after sterilization even after incubating it for 1 hour at room temperature. What could be the reason behind this?Is the mannitol salt agar (MSA) a complex or defined medium? Explain based on Composition. What kind of media based on what kind of microorganisms it allows to growOf what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? Why are petri dishes incubated in an inverted position? Of what advantage is the using a solid and a liquid medium?
- What type of agar is MacConkey agar?Solid and liquid media are commonly prepared based on manufacturer’s instructions. If no instruction is provided on how the media should be sterilized, what would be the best option? METHOD:RATIONALE:Why does motility media contain a lower amount of agar than ordinary agar?
- Of what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?What are the primary uses of the following preparations of culture media? Agar regular slant Agar special slant Agar deep Broth Agar plateIs the telluride glycine agar? (TGA) a complex or defined medium? Explain based on its composition. What kind of Media is TGA explaining based on what kind of microorganisms it allows to grow?