What is the hazard of the spattering tendency in heating

Q: What is the difference between a mixed culture and a contaminated culture if they both contain more…

A: In microbiology , a bacterial culture is a growth of microorganisms which have been grown in a…

Q: What is the BEST glassware that could be used to hold the agar powder while weighing? After 24…

A: As per our guidelines, we are allowed to answer only one question. Kindly upload the rest of the…

Q: Let's assume that you were teaching the Gram stain to four students, and each student did one thing…

A:

Q: A microscope that has a total magnification of 1,500× when using the oil immersion objective has an…

A: The microscope is the major tool in the identification of a microorganism after its isolation. The…

Q: ВАСТERICIDAL LAMPS 1. орen type (unshielded) неэкранированные 2. closed type, shielded 3. shielded ,…

A: There are general important points : We know that through UV -C that occurs naturally in sunlight…

Q: In the preparation of a bacterial smear, why is there a need to fix the bacteria to the slide? Aside…

A: Several laboratory techniques necessitate smear preparation. A smear can be made using either broth…

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

A: Hot air sterilization is a procedure in which the sterilization of the objects are done using hot…

Q: Give two reasons for heating the slide after the smear is air dried?

A: Smear is the thin film of the sample that is spread over the slide to be observed in the microscope.…

Q: eservatives cannot be used for direct + mount ?

A: The disease is a state of the body in which the physiological mechanisms do not function in a normal…

Q: Flame Test (Unknown) View the Unknowns to see the results of the flame test. Record Your…

A: As per our honor code, we are not allowed to give you a handwritten solution, however here is the…

Q: which of the following is best to sterilize heat-liable (sensitive) solutions? a, pasteurization…

A: From above question Option d (filtration) is correct.

Q: Why would the optical tweezers be a method superior to dilution and liquid enrichment for obtaining…

A: Optical tweezers have been used to trap dielectric spheres, viruses, bacteria, living cells,…

Q: If any of the water sample plates had a lawn or too many colonies to count, what might you have…

A: A technique known as the standard plate count is used for estimation of the population density in…

Q: What are the advantages and disadvantages of the filter method in the analysis of water samples?

A: Utilising the membrane filter method, test is gone through the layer utilising a filter funnel and…

Q: Let's assume that you were teaching the Gram stain to four students, and each student did one thing…

A: Gram staining may be a staining strategy utilized to distinguish and recognize bacterial living…

Q: The materials use for embbiding sample in freezing microtome is O epoxy epon 812 O wax O water…

A: Introduction A microtome is a tool that is used to cut the thinnest possible section of material to…

Q: The Allium Test is a common test in environmental science. What are some disadvantages to this test?

A: Biotechnology is technology that utilizes biological systems to develop or create different…

Q: What do to do when the disstillation did not make the sample completely pure? What could have went…

A: Distillation is a process that is based upon the boiling points of various liquids present in the…

Q: Why is it that a warm cuvette does not lose any significant heat during the absorbance measurement…

A: An absorption spectrophotometer is defined as a device that is used to calculate the absorbed light…

Q: Three-dimensional images of specimens can be produced using z stacks obtained from confocal…

A: Microscopy is a technique that is used to visualize small-sized objects that are not used to the…

Q: Put the numbers in the space provided to indicate the order of Capsule Staining. If the statement is…

A: The primary function of capsule staining is to differentiate capsular material from bacterial cells.…

Q: If you conducted an acid-fast stain on a sputum sample from a person with tuberculosis, what would…

A: The acid-fast staining technique is a differential staining technique. The bacteria which get…

Q: What are high level disinfectants? What is an example of one? What is the method of action and the…

A: Disinfectants are chemicals that are used to kill the microorganisms present in the surroundings.…

Q: نقطة واحدة the solvent in recrystallization * should not be dissolve the compound to be crystallized…

A: We are authorized to answer one question at a time since you have not mentioned which question you…

Q: bacteria (Mustard + 0.5% acetic acid or Mustard +1% acetic acid)

A: Different methods are used to prevent food from spoilage without changing its nutritional…

Q: How is the correct way of incubating culture plate media? Explain why is that so.

A: After the way of life medium is set, and streaked with the necessary microbe/stock, the cover is put…

Q: What is the parts and its functions of fluorescence spectroscopy and uv vis instruments

A: Spectroscopy is the study of the absorption and emission of light and other radiation by matter.

Q: Solid media is usually prepared with a 1-2% final concentration of agar. If these plates were…

A: Solid media is the type of media that is made up of liquid substances like distilled water and other…

Q: Given: The used ocular objective while taking this image, has magnifying power of 6x The used…

A: The microscope is an instrument used to see objects that are too small where enlarges the image of…

Q: O 1) brightfield O 2) TEM 3) fluorescent O 4) confocal O 5) phase contrast

A: Different microscopes are used in terms of conditions in which we want to visualize the specimen.…

Q: You have a broth medium that you would like to turn into a solid medium in order to do streak…

A: The "nutrient broth" is essentially nutrient agar without the solidifying agent. They stay liquid at…

Q: give one reason why is it necessary to keep stirring the agar medium mixture in a beaker when…

A: Agar is a heteropolysaccharide, which is composed of different carbohydrate units. Agar is obtained…

Q: What is one advantage of a pour plate over a streak plate?

A: The pour plate method is a technique used to count the number of colony-forming bacteria found in a…

Q: What is the purpose of iodine in the Gram stain?   To act as a counterstain   None of the other…

A: There are various staining techniques that are used to stain different cellular structures. The Gram…

Q: Enlist th five differences between crude media and defined media.

A: Microbiology uses different types of culture media for the growth, culturing, and study of different…

Q: what does it mean if a pigment (let' say 'yellow') traveled beyond the solvent front in paper…

A: Paper chromatography is the process of separation technique which involved in speraration of…

Q: chemically defined media  b.    complex culture media

A: Media is a growth medium of solid,liquid and semi solid type. Diffarent types of media are used for…

Q: Given: The used ocular objective while taking this image, has magnifying power of 6x The used…

A: Magnification on a microscope denotes the amount or degree of visual enlargement of an observed…

Q: Which of these two, Olive oil and beef tallow would be the identity of the sample in the picture:

A: Olive oil: It is composed of mainly mixed triglyceride esters. The esters are mainly of oleic acid,…

Q: In the spectrophotometer, why is there a need to measure a 'blank' sample? What will happen to the…

A: A spectrophotometer is one of the most frequent tools used by scientists to determine the presence…

Q: What is the hazard of the spattering tendency in heating a wire loop with specimens over a flame?…

A: Heating wire loop is very important technique in sterlization. Wire loop is heated till it become…

Q: what effect would failing to drain the smear in-between staining have on your judgment of the gram…

A: Gram staining is a technique used to differentiate between two groups of bacteria namely…

Q: How does the age of a culture affect the Gram stain reaction? What is an optimum culture age for a…

A: To identify the unknown bacteria this gram staining is used. This staining technique differentiate…

Q: Which of the following acts as the decolorizer in the gram staining? A. Safranine B. Iodine  C.…

A: Gram staining is a staining technique used to differentiate two large groups of bacteria based on…

Q: What are the expected result after gram staining?   a. Crystal Violet = b. Gram Iodine =  c.…

A: Gram staining is a type of staining technique used to differentiate bacteria based on their cell…

Q: Why sometimes specimen may show organisms under the microscope but not appear in the culture media?

A: Introduction  We are surrounded by various pathogens such as bacteria, viruses, fungus etc. Bacteria…

Q: Illustrate the different solid tubed media formed  1. Deep/Butt solid tubed media 2. Slant solid…

A: The selection of media is a crucial point in determining the generation of contamination-free…

Q: What is the purpose of setting the spectrophotometer to zero absorbance using a blank solution?

A: Spectroscopy is a procedure utilized for the evaluation, portrayal, and basic investigation of a…

Q: Suppose you have an initial chlorine concentration of 5%. Then out of that, you are told to prepare…

A: The concentration of a solution: The concentration of a solution is defined as the amount of the…