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: Briefly discuss the following terms: Coarse facing Coarse trimming Fine trimming Cold wax Floatation…
A: A microtome is a device employed in cutting sections from an embedded specimen to be used as a…
Q: How moisture can be removed from food by freeze-drying method? Explain in detail.
A: The perishable objects are the foodstuffs that are likely to get decay or spoil quickly. The removal…
Q: List 5 physical methods of controlling microbial growth, and give an example of each. Why is moist…
A: Heat is one of the best and commonly used physical methods to control microbial growth. By heating…
Q: explain the liquid growth analysis process in your own words
A: Growth media in a liquid form is called as Nutrient broth. It's composition mainly consists of…
Q: Explain the difference between sterilization, disinfection, antisepsis, pasteurization? Give…
A: Microorganisms are present everywhere. They are not visible with naked eyes but are present at…
Q: A process that employs microbes to extract fibers from materials is called O plaiting O ginning…
A: Fibres are the dead , robust , rigid elongated strand and is a kind of sclerenchymatous tissue . It…
Q: Question:- Explain how stratification works and its effects in a particular culture?
A: Ecosystem balance, often known as "ecosystem homeostasis," is influenced by both factors that tend…
Q: State the raw materials for the preparation of sufu ( soybean curd
A: soy curd is healthy and a very good source of protein, B vitamins and minerals.
Q: Explain why litmus milk is considered a good differential medium.
A: Differential media are the growth medium that helps in differentiating bacterial samples on the…
Q: What method of food preservationexploits the principles that are illustrated here?
A: Food preservation is a process to eliminate or reduce the food spoilage by microbial growth and…
Q: microbiology: Aseptic Culture Techniques Lab Explain why a loop or needle is flamed before it is…
A: The process of introducing a microorganism in a plate or a tube containing culture media is called…
Q: During the preparation of a routine H&E slide, how is the tissue preserved? A Fixation В Embedding…
A: H& E slide : Hematoxylin and eosin slide . Steps to prepare the slide for microscopic…
Q: a) explain in your own words how to perform specialized media tests to find an unknown bacteria
A: Different bacteria can be identified using the macroscopic properties of microbial cultures. The…
Q: How is household bleach like a weapon against pathogenic bacteria?
A: pathogenic bacteria are those bacteria which can cause disease . they have to be eradicated .
Q: Describe how to measure the effectiveness of a chemical disinfectant.
A: A chemical liquid or a substance that is used to kill microbes is referred to as a disinfectant.…
Q: What is the purpose of food irradiation, and how does it work?
A: Irradiating food kills bacteria and extends life of the food.
Q: If you have a substance that you wish to sterilize (without destroying), and that substance is…
A: Introduction Any procedure that eliminates, eradicates, or renders inactive all life…
Q: Make an introduction explaining the difference, importance, and factors of the gelatine gels and…
A: Agar or agar-agar, is a jelly-like substance consisting of polysaccharides obtained from the cell…
Q: Explain the significance of aseptic culture technique in growing microorganism
A:
Q: In relation to steps in product development in industrial microbiology explain why optimization of…
A: Fermentation is a metabolic interaction that produces synthetic changes in natural substrates…
Q: Explain the importance of using a control tube with only broth when measuring turbidity in a…
A: A spectrophotometer is used to measure the turbidity of a microbial culture sample. It is also used…
Q: If one is trying to determine if a culture is pure or mixed, which medium would you choose? Why?…
A: In microbiology, to study the different types of microorganism we use different mediums which are…
Q: Draw two diagrams, one showing what enzymes and products are produced when GLN is high and one when…
A: Gln in question stand for Glutamine. Glutamine is an amino-acid exist in L-form like other amino…
Q: For a drying process which of the following is NOT correct? A- the moisture content of foods during…
A: A- the moisture content of foods during the constant drying rate period decrease with time.…
Q: Explain the different results in the Gram stain are due to differences in the structure of the cell…
A: There are many types of bacteria and bacterial species. They are prokaryotic cell which has a cell…
Q: How is Leather put in an application in microbiology and its involved microorganism
A: Leather is the skin of cattles and animals used to protect human body.
Q: Complete the picture of the thylakoids membrane in the beaker with solution at PH 8
A: The thylakoid membranes of a chloroplast is an internal system of interconnected membranes, that…
Q: In the process of vinegar making. If the steps involving yeast inoculation are not done, what would…
A: No we will not get our desired vinegar if we do not add yeast into the solution.
Q: who introduced the use of cotton plug in microbial culture tubes.
A: Cotton plugs are utilized in bacterial specimens and culture mediums. The cotton plugs' primary role…
Q: Explain the difference between vegetative cells and endospores.
A: Endospores formed inside the parent vegetative cell. Endospores are highly durable dehydrated cells,…
Q: Which moisturizing carrier oil is great for all skin types and absorbs quickly into the skin and it…
A: Carrier oil is a term used for type of oil that is base oil or vegetable oil. These are used to…
Q: In absorption spectrophotometry: a. Absorbance is directly proportional to transmittance b. Percent…
A: Atomic absorption spectroscopy (AAS) depends on the rule that free molecules in the ground state can…
Q: Explain the effect that environmental factors exert on the growth and development of an algal batch…
A: The growth and development of algae is controlled by various environmental factors. This includes,…
Q: Analyze the advantages and disadvantages of irradiation as a means of preserving food.
A: Introduction: Food irradiation is a process that enhances the safety of the food items by extending…
Q: Give two reasons for why heat fixing is used? Adherence of bacterial cells to the slide…
A: Haet fixing is the procedure in gram staining of the bacteria. This has to be done so that the…
Q: Describe the difference between blanching, pasteurization, and canning. What is the purpose of each…
A: Food spoilage is the process in which a food product turns unsuitable to eat by the consumer. The…
Q: Please explain the differences between freeze drying,drum drying and air drying and which give a…
A: Freeze drying, drum drying, and air drying are dring methods to remove water content from the cell…
Q: Write a note on the measurement of growth of microorganisms, factors influence microbial growth and…
A: Microbial growth can be defined as the growth of a population or an increase in the number of cells,…
Q: Imagine you accidentally applied water during the decolorization step instead of ethyl alcohol.…
A: Gram positive bacteria has thick peptidoglycan layer and thin outer membrane. Gram negative bacteria…
Q: How is it possible to know that a recently extracted essential oil is harmful for human use?…
A: Oils are basically nonpolar chemical substance that is composed of hydrophobic or lipophlic ends.…
Q: Why is it easier for microorganisms to grown on plastic surface rather than wood?
A: Answer- Wood does have natural antibacterial properties. The organism of bacterium like- Ideonell…
Q: Elaborate on the advantages of examining colony in an agar plate.
A: An agar plate is a Petri dish which have a development medium set with agar, utilised to culture…
Q: Define the meaning of Surface sterilization of explants Surface sterilization of explants
A: Plant tissue culture is very helpful technique in which plants are grown in in vitro condition and…
Q: etermine the reason as to why using sanitizer are considered to be the more effective than hand…
A: A group of behaviours known as "hygiene" aim to keep things clean and avoid illness. By keeping the…
Describe how foods are lyophilized and compare the advantages and disadvantages and effects of lyophilization on the product compared to other drying methods?
Step by step
Solved in 2 steps
- How moisture can be removed from food by freeze-drying method? Explain in detail.Explain the rational of using saponification-solvent extraction to extract pyrene from milkDescribe the difference between blanching, pasteurization, and canning. What is the purpose of each preservation method, how is the treatment carried out and how are the products to be stored after the treatment?
- What is the purpose of food irradiation, and how does it work?Choose two from the following culture preservations that are best to use when only an ordinary refrigerator is available for storage: a) Drying b) Mineral oil overlay c) Freezing with liquid nitrogen d) Lyophilization e) Periodic transfer to fresh mediumgive one reason why is it necessary to keep stirring the agar medium mixture in a beaker when heating in a hotplate?
- For a drying process which of the following is NOT correct? A- the moisture content of foods during the constant drying rate period decrease with time B- the moisture content of foods suring the falling drying rate period decrease with time C- the moisture removal rate during the constant drying rate period decrease with time D- the moisture removal rate during the falling drying rate period decreases with timedescribe the 3 processes that use moist heat methods specifying time and temperature for each: pasteurization autoclaving tyndallizationHow is Leather put in an application in microbiology and its involved microorganism?
- Analyze the advantages and disadvantages of irradiation as a means of preserving food.Evaluate the following preparations in terms of providing informationon microbial size, shape, motility, and differentiation: spore stain,negative stain, simple stain, hanging drop slide, and Gram stain.Produce vinegar using rice