Q: What are Comb Jellies ? Explain the importance of Comb Jellies ?
A: Ctenophora are invertebrate animals that thrive in the marine. Their body consists of cilia that…
Q: What is covalently attached to the resin beads for us to purify GST-DHFR-His by IMAC? Group of…
A: Answer given below..
Q: Why do cells need to be kept in the freezing devices first then transferred to liquid nitrogen…
A: Rapid freezing of cells can cause ice crystals large crystals can be formed in which cells are…
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: What are peptones, yeast extract, beef extract, thioglycollate, and agar? Why are they used in…
A: A suitable nutrient medium that provide appropriate biochemical environment and maintains all the…
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: when extracting casein from milk, you accidentally added too much vinegar. what would happen, and…
A: Zwitterion is a neutral or hybrid molecule containing both positive and negative charges within…
Q: Why is betadine a good DIY substitute for gram’s iodine or dissolved Potassium iodide which is…
A: Iodine, with the symbol I and the atomic number 53, is a chemical element. At typical conditions, it…
Q: Does different kinds or types of tea produces different amount of caffeine content? Why? Why does…
A: Caffeine is categorized as a type of a bitter substance. The caffeine occurs in a number of…
Q: What does the red dye Prontosil have to do with sulfa drugs?
A: Antibiotics are the medicines which are used to cure infections which are caused by bacteria. These…
Q: Which of the following cannot be grown in artificial media and must be grown in live animals or…
A: Artificial media is a medium that is defined. This medium is chemically defined. It is a synthetic…
Q: FOOD MICROSCOPY: STARCH IDENTIFICATION The following figures are the photomicrographs of the…
A: Starch is mainly found in a plant source, as starch is a storage material.
Q: Why is absorbance significant in determining the turbidity of whey protein-basil seed gum and…
A: Asked : Significance of absorbance in determining turbidity of whey protein-basil seed gum and…
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: f my tissue cultures are suffering severely due to alkaloid production and accumulation in the…
A: Cell culture is the technique in which cells isolated from multicellular organisms are grown in…
Q: A mixture of dipeptides consisting of Lys-Gly, Thr-His, Ser-Leu, Glu-Gln was applied to column…
A: Ion-exchange chromatography is a type of protein purification technique in which proteins are…
Q: Why is 80% alcohol the recommended solvent For the preparation of plant extract?
A: Different plants have different properties due to the differences in their chemical composition,…
Q: Which is the odd one out ? For the rest, explain the concept/process/technique they are involved…
A: Nucleic acid and proteins The nucleic acids are biomolecules which are made up of nucleotides…
Q: Calculate how much agarose is needed to make a 3% agarose gel in a volume of 150 ml 1x TAE buffer.
A: Introduction Agarose gel electrophoresis is a type of gel electrophoresis used in biochemistry,…
Q: why do We need to Wait for the iron Agar to set and then Add another thin layer of 45°C Iron Agar?
A: The test that uses iron agar is the Triple Sugar Iron (TSI) Test and is used to determine the…
Q: draw a schematic diagram on the Extraction of Flavonoids using the procedures stated below.
A: Extraction of flavonoids
Q: What is the basic principle of GPC (gel permeation chromatography)?
A: Gel permeation chromatography is a type of size-exclusion chromatography that uses organic solvents…
Q: For a TLC experiment, what is the purpose of the pentane extraction of spinach juice? Why wouldn’t…
A: Answer: Introduction:Thin layer chromatography, or TLC, is an analytical method to analyse mixtures…
Q: Why do the leaf disks in the baking soda solution (treatment) begin to float?
A: The baking soda solution used in floating disk photosynthesis demonstration. Release of Oxygen in…
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: Phenylethyl alcohol and why would it be useful in agar
A: Acoording to this question we have to decribe phenyl alcohol and the phenylethyl alcohol be useful…
Q: Calculate the amount of phycocyanin in Sample x in mg where A620=0.191 and A650=0.093, taking into…
A: Phycocyanin is a photosynthetic pigment. It is a blue color pigment. The concentration of…
Q: In extraction of albumin in egg white using 100-ml water, what does albumin look like? Also, what do…
A: In extraction of albumin in egg white and placed in water some reactions are occur..
Q: Of the two principal polymers used in column chromatography and electrophoresis, which one would be…
A: Column chromatography is a purification method that uses the polarity of compounds for the…
Q: What types of problem will occurs if excipients are not use during formulation of suspension?
A: Suspension is the heterogeneous mixture in which the solute particles do not dissolve but get…
Q: What will happen to the gelatin if you put cooked pineapple and fresh pineapple in a Bromelain test?
A: Gelatin is made from disintegrating animal hides, boiled pulverised bones, and cattle and pig…
Q: About the Gram staining technique, explain: What is the purpose of using lugol and alcohol in this…
A: Gram staining technique is a differential test based on the composition of bacteria cell wall. It…
Q: What is the purpose of extracting coffee three times with dichloromethane? Why not five or six…
A: Beverages are the drinks usually used as refreshing drinks like coffee, tea, wine, beer etc.…
Q: If a sample is composed of a mixture of maltose, maltodextrin, and glucose, which of the following…
A: Sugars capable of reducing ferric or cupric ions are called reducing sugars. All monosaccharides…
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 are the pros and cons of using lignin process for the production of vanallin?
A: Vannilin is an organic compound. It is a phenolic compound. It has multiple functional groups like…
Q: Hi! can you show the solution through a punnet square?
A: Introduction Blood groups are determined by the presence or absence of antibodies and inherited…
Q: Why is it necessary to store the molten agar in a water bath at 50 degrees Celsius?
A: Introduction:- Agar is made up of two polysaccharides: agarose and agaropectin, with agarose…
Q: what effect would using an old Gram's crystal violet preparartion containing crystallized dye have…
A: A microbe is a living entity that is so tiny that it cannot be seen with the naked eye. Microbiology…
Q: Which dye will not kill microorganisms if a wet preparation is made? Why?
A: Microorganisms are defined as organisms that cannot be viewed by the unaided eyes and are studied…
Q: What is diluent? Why is it useful for working with bacterial samples?
A: Dilution is done to decrease the concentration of the original sample that is being tested. Dilution…
Q: What is the relevance of the use of sugar, spice, and starch in the detection of sporeformers?…
A: Note: According to the guidelines, we are answering questions 2 and 3 only as the specific question…
Q: Why are plated media stored in an inverted position?
A: Plated media enables the isolation of microorganisms from samples or specimens.
Q: What is the primary stain in the Kinyoun acid-fast stain? How does this differ from the primary…
A: Need to explain the primary stain in the Kinyoun acid-fast stain.
Q: Why do you need to cool the mixture of onion in ice-water bath?
A: Onions are used for extracting DNA in this experiment. The DNA is found in the nucleus.
Q: Why do we use turbidity as a method to measure bacterial growth? How does it work? How do you…
A: Turbidity measurement is one of the methods to measure the microbial cultures, helps determine the…
Q: What is saponification? How can we make soap? What is the reaction involve in making soaps? Whats…
A: Soaps and detergents are commonly used in cleaning clothes, utensils and other dirty surfaces.…
Q: What are the safety precautions in handling 10% Formalin?
A: Formalin is formaldehyde gas dissolved in water, with a saturation level of 37-40% formaldehyde. As…
Q: What is the major difference between Thayer-Martin and chocolate agar? When would you use…
A:
- What is the purpose of the pentane extraction of spinach juice? Why wouldn’t we want to spot an aqueous solution onto the silica gel?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Which stationary phase is better in separation of the components of moringa extract for column chromatography? Sodium Bicarbonate or Silica Gel? And Explain.How much nystatin stock (50 mg/mL) needs to be added to 15 mL of tryptic soy agar to give a final concentration of 50 μg/mL?Why is it important that the agarose is exposed to ethidium bromide, which is either added to the gel itself or mixed to the staining solution? Explain the principle behind its use.
- Why is 80% alcohol the recommended solvent For the preparation of plant extract?What concentration of ethanol is considered optimum for disinfectant? Why not 100%?The three forms of the anthocvanins in red cab.-bage extract are red, blue, and yellow. How do you account for the violet and green colors you observed in some of vour color standards?
- What does the red dye Prontosil have to do with sulfa drugs?We have used SAR as an estimate of purity. How else could you test for the purity of the phycocyanin sample?For a TLC experiment, what is the purpose of the pentane extraction of spinach juice? Why wouldn’t we want to spot an aqueous solution onto the silica gel?
- In a hypotonic solution why would potato stick become crispier?What kind of ion exchange resin would be most effective for purifying RNA molecules, an anion exchanger or a cation exchanger? Why?What will happen to the hard gelatin capsule if dissolved in water and vinegar for under 10 minutes, 30 minutes, and 1 hour?