Please refer to the figure of an agarose gel below to answer the questions. Why is it meant by the series of bands observed in lane 3?

Q: Why is it important in food science to identify bacteria?

A: It is important in food science to identify bacteria.

Q: There are five bacteria in a petri dish and its number triples every minute. How many bacteria are…

A: Bacteria are organisms that are found almost everywhere on earth and are free-living cells that are…

Q: the shape of the bacterial cells for each of the two yogurt bacteria. Be sure to use the terms for…

A: Both streptococcus thermophilus and lactobacillus acidophilus are probiotic Bacteria that are found…

Q: Which of the following WILL INCREASE gelling if addition of Ca2+ ions was added?   a. starch   b.…

A: Gelation is a process where formation of 3D network of polymers from monomers.

Q: How can one distinguish E. coli from P.aeruginosa on nutrient agar? blood agar? EMB agar? What is…

A: Psuedomonas aeroginosa iscan aerobic organism that is motile, gram negative  , rod shaped bacteria…

Q: Which characteristic of the species used determines whether sterility was achieved when autoclaved?

A: Microorganism: These are too small organism which is impossible to see by naked eyes. They exist in…

Q: In a hypotonic solution why would potato stick become crispier?

A: A hypotonic solution has fewer dissolved particles (such as salt and other electrolytes) than normal…

Q: Why is agar production more costly than carrageenan production

A: As there is difference is between other production and carrageenan production basically the key…

Q: Can you tell IF the pasteurization process is working in this milk producing plant? How can you…

A: Pasteurization is a process in which milk or milk product is heated to a certain temperature for a…

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: describe the type of growth if E. coli is also allowed to grow in a medium containing glucose…

A: To describe The type of growth if E. coli is also allowed to grow in a medium containing glucose…

Q: Do Gram-negative bacteria grow on PEA agar? If not, what prevents their growth?

A: ANSWER;-

Q: In the Messelsohn-Stahl experiment, there should be ______ band(s) in the centrifugation tube after…

A: Meselson and Stahl's experiment is an experiment that supported the semi-conservative replication…

Q: What is the purpose of adding dishwashing liquid into the banana mixture? What reagent is used in…

A: DNA extraction is the method of isolation of genetic material ( DNA ) from plants , animals or any…

Q: Discuss two mechanized /automated process that are used in modern broiler production?

A: Poultry farming is defined as a term for rearing and keeping of birds such as fowl, duck and hen for…

Q: Name the source from where agar-agar is obtained.

A: Agar-agar is a gelatinous substance that is formed by a combination of linear polysaccharide agarose…

Q: A growth medium consisting of only known amounts of water, magnesium, calcium chloride, potassium…

A: The growth medium, also called as Nutrient Broth, is a kind of solution which is sterilized to get a…

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: 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: In August 2021, there was a multi-state outbreak of melioidosis, an infectious disease caused by the…

A: In microbiology, there have different types of culture mediums that are commonly used to grow…

Q: why is it important that a small amount of inoculum be used in preparation of an agar slant

A: Agar is a jellylike substance derived from the purified cell walls of red algae. It is added to…

Q: Why is spelt flour considered as wheat flour?

A: Spelt flour/Triticum spelta It is an anicent whole grain grown in many parts of the world.  Spelt…

Q: Source: http://www.hrrsa.org/tours/virtual-tour (This link is just for help) What is the difference…

A: The wastewater treatment process produces biosolids. The liquids and solids are separated during…

Q: If the inoculation of yeast during the process of vinegar making are not done, can we still produce…

A: Vinegar is nothing but acetic acid which is present in aqueous state. This can be used as flavouring…

Q: What is a pure culture and how can one be obtained

A: Cells are the structural and functional units of life.

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: explain the various factors affecting agar-agar gels and what is the source, manufacturing, and…

A: Agar agar gel and its properties and uses.

Q: Explain Ricin is a antineoplastic natural products?

A: Ricinus communis L. (castor plant) though originating in Africa, it is found worldwide and is grown…

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: isolating metabolites and testing for phytochemicals, why is it recommended to dry the leaves in…

A: leaves are made up of organic materials containing highly heat-sensitive volatile oils and aromatic…

Q: Do Gram-positive bacteria grow on PEA agar? If not, what prevents their growth?

A: Bacteria are common, mostly free-living organisms that are often made up of only one biological…

Q: plain Which one of the following vitamins is known as the anti sterile factor  ? A) Ascorbic acid…

A: Vitamin E is known as an anti-sterility vitamin or anti-sterility problem. Evans and Bishop…

Q: What process would explain why the dyes spread through the agar?

A: Agar -- Agar is polymer and mixture of polysaccharides obtained from the cell wall of red algae .…

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: Green sulfur bacteria can still thrive in low oxygen conditions. Select one: True False

A: Bacteria is simple prokaryotic, microscopic  organisms that doesn't conten any membrane bound…

Q: For BAP, TSA, PEA, CHOC, and MAC determine if there is growth or no growth for the following: staph,…

A: Growth media: A growth medium is a medium that is formulated to support the growth of…

Q: If triclosan is the active agent in antibacterial handsoaps, what group of bacteria can grow freely…

A: Antibacterial soap is the one that contains the chemical ingredients which assist in killing the…

Q: Uses of tannins consist of: Select one: a. leather tanning and ink manufacturing b. Astringent,…

A: Tannins: Tannin is also called as tannic acid that acts as a deterrents and is used for various…

Q: Please help me answer how much volume of cell suspension needed (for 5*10^4 cells) in microliters.…

A: For some experiments, it is essential to use the specified number of cells of microbes (or…

Q: Calculate the amount of phycocyanin in Sample 1 in mg where A620=0.192 and A650=0.090, taking into…

A: Phycocyanin is a protein-pigment complex that is a member of the phycobiliprotein family. It's a…

Q: How can you account different diffusion rates of three dyes through the agarose media in the Petri…

A: Agar is used as a support medium for bacterial growth and culture in labs.This is extracted from sea…

Q: 1. You were given a mixed nutrient agar broth culture of bacteria.  a. How will you determine the…

A: Nutrient agar medium is used to cultivate microbes supporting the growth of a wide range of…

Q: How many different types of colonies can you find on the blood agar plate? describe each. (As shown…

A: Blood agar is general medium that is provided with the nutrients and can be use as a general growth…

Q: When both glucose and lactose are present in the media in which E. coli is growing, which is the…

A: Metabolism encompasses any and all metabolic reactions that take place within a cell or organism.…

Q: Which of the following takes the LONGEST to kill a live culture of vegetative bacterial cells?   a)…

A: A "microbe" is a living entity that is so tiny that it cannot be seen with the naked eye.…

Q: Why are vegetables and fruits coated with wax during shipping and upon storage?

A: Lipids are not polymers like other biomolecules like proteins and carbohydrates. It plays a major…

Q: Create a scatterplot showing the change in mass as a function of sucrose concentration.

A: As the sucrose molarity in each bag increases, a greater change in mass occurs. More water diffuses…