Q: Define agar.
A: A dried jelly-like substance called agar, commonly referred to as agar-agar, is made from the red…
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: The use of abomasum as a source of rennet is not practical. Explain why
A: Rennet is an enzyme or a substance that is produced as a coagulant and helps in the production of…
Q: what is growth rate? What is growth yield? How to control these two parameters in a chemostat?
A: Answer: Introduction: The yield (X) of a culture means the change amongst the primary biomass (X0)…
Q: Why is the culture medium referred to as a highly enriched laboratory soil?
A: Culture medium is referred to as highly enriched laboratory soli because it provides all the…
Q: Name the natural growth inhibitor?
A: Some regulating substances which retard normal processes like seed germination, root and stem…
Q: What is the purpose of the crystal violet, bile salts, and neural red in MacConkey Agar media?
A: MacConkey Agar or MAC is a culture medium. It is a selective and differential medium designed for…
Q: Some exconjugants did not grow on minimal medium. On what medium would they grow?
A: Exconjugants can be described as bacterial cells, which separates following the conjugation. A…
Q: What is agar?
A: Agar also known as agar-agar is a dried jelly like substance which has been obtained from Gracilaria…
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: Discuss the use of phenols as germicides
A: Phenols are used as disinfectants and germicides to clean surfaces in the hospital and rooms.
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 the purpose of the phenol red in the medium.
A: Phenol red is a water soluble dye that functions as a pH indicator in culture media. Phenol red…
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: How is the CTSA (Coconut tryptic soy agar) growth medium designed to meet the nutritional need of…
A: Coconut trypic soy agar media are general-purpose, non-selective media that provide enough nutrients…
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: attern used to inoculate agar slant to get luxuriant culture. This pattern increases the surface…
A: Slant culture : A culture made on the slanting surface of a solidified medium in a test tube that…
Q: Where should a label be written on an agar plate?
A: The aseptic technique is applied in a laboratory setup to reduce the risk of contamination. It…
Q: What is bacterial agar?
A: MICROBIAL GROWTH MEDIA- It is the culture media that serves as a nutrient media for the growth of a…
Q: Please refer to the figure of an agarose gel below to answer the questions. Why is it meant by the…
A: Agarose gel electrophoresis is a fundamental technique in molecular biology that is used to view and…
Q: Why is antifolate used as an anticancer agent?
A: Introduction Antifolates are a class of chemicals that are often used to treat cancer. They were one…
Q: Why is it important to determine the number of mesophilic spores in a food ingredient?
A: Sometimes spore forming mesophilic bacteria found in food ingradient, mainly in dairy product. It…
Q: Explain the following application of kefir. I) As food preservatives
A: Kefir is the fermented milk drink . It is similar to the thin yogurt drink. It is also prepared by…
Q: If yellow xanthophylls were present in the extract, why did the extract appear green?
A: Introduction: Xanthophylls are a class of oxygen-containing carotenoid pigments that is liable for…
Q: How would you distinguish between Staphylococcus aureus and S. epidermidis on mannitol salt agar and…
A: Hi! Thanks for your question. As you have posted multiple questions and have not mentioned which one…
Q: why macconkey agar and mannitol salt are regard as salective and deffrental medium?
A: A culture medium is just water and nutrients that support microbic growth. Primary culture media for…
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: Outline a method for preparation of tomato cell suspension culture and subculture
A: Cell culture is a procedure in which cells are grown under artificial conditions in suitable medium…
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: Produce vinegar using rice
A: Vinegar is an aqueous solution of acetic acid and trace chemicals including flavorings. Vinegar…
Q: Yeast is used in the production of
A: Yeast is unicellular fungi, that belongs to Saccharomyces genus. It reproduce asexually by budding.…
Q: Describe the growth as it appears in the Broth Tube or Agar Slant.
A: Microbes are cultured for scientific and research studies on various media. This enables us to know…
Q: Make an accurate colored of what you observed on the mannitol salt agar plate.
A: Mannitol salt agar or MSA is a commonly used selective and differential growth medium in…
Q: Name the source from where agar is commercially obtained.
A: Agar is a jelly-like substance that is made up of linear polysaccharide agarose and a heterogenous…
Q: Agar is added to media.
A: Agar is obtained from algae. It is composed of agarose (polysaccharide) and agaropectin. It is a…
Q: Do pure cultures have to be used in a chemostat?
A: Chemostat is a culture chamber where microorganisms are cultured under static environment. The…
Q: What is agar and what makes it the best agent for making culture media? explain
A: Microbiology is the branch of science which deals the study of different microorganisms such as…
Q: Which among the ingredients of this product is the main preservative? Explain.
A: For centuries, people have been preserving food. It all began with the ancient practice of…
Q: How can you confirm yeast growing on Sabouraud dextrose agar to be Candida albicans?
A: Introduction : Candida albicans is the most well-known fungus that attacks the human mucosal layer.…
Q: what is Rose Bengel Agar?
A: Rose Bengal Agar - Rose Bengal Agar is selective medium it is used to detect and enumerates yeast…
Q: Sugar Utilization medium (Containing trehalose, sucrose, trehalose, Mannose,etcUrease
A: The medium asked in the question is a fermentation medium used in carbohydrate fermentation test…
Q: Which culturing method provided the clearest results, the semisolid medium tube or the soft agar…
A: Agar is a jelly-like substance obtained from red algae. It is a mixture of two components namely…
Q: What is "BHI" agar and what is it used for? What is "Sabouraud Dextrose" agar and what is it used…
A: There are various types of growth media are used for cultivating cells ranging from prokaryotic to…
Q: What is Bt cotton??
A: A GMO or genetically engineered organism is the outcome of recombinant DNA technology or RDT that…
Q: What is the preparation condition for culturing a mould sample?
A: Introduction: Mould is a fungal specimen which is grown in filamentous structure called hyphae. They…
Q: main goal of motility agar
A: MICROBIAL GROWTH MEDIA- It is the culture media that serves as a nutrient media for the growth of a…
Q: What is a starter culture and what is its purpose? What are the characteristics of a good starter…
A: STARTER CULTURE:- Starter culture are those microorganisms that are used in the production of…
Name the source from where agar-agar is obtained.
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- Define agar.The principle and What type pf Media of the following Conkey Agar vii) MacConkey Broth viii) TSA Base for Blood and chocolate Agar ix) Mannitol Salt Agar x) Tryptic Soy Agar xi) Alkaline peptone water What is the principle of Growth Medium and Culture medium?Draw a schematic diagram for the preparation of potato sucrose agar plates.
- Explain why litmus milk is considered a good differential medium.Describe how a Triple Sugar Iron agar tube would appear if the following situation was true. Please note that all items in the following list are occurring in the same tube of agar. 1. Positive for glucose fermentation 2. Negative for lactose and sucrose fermentation 3. Positive for H2S production 4. Negative for gas productionWhat is the preparation condition for culturing a mould sample?