What is a pure culture?

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 types of samples can be measured with Circular Dichroism? Can information be extracted?

A: Circulate dichroism is the difference in the absorption of left handed circularly polarised…

Q: What is a mixed culture? A contaminated culture?

A: A microbiological culture, or microbial culture, is a technique for increasing microbial creatures…

Q: What is the purpose of the pour plate technique? If a pure culture is used to inoculate the plate,…

A: PURPOSE OF POUR PLATE TECHNIQUE The pour plate techniques can be used to determine the number of…

Q: Why is dilution a necessary part of pure culture preparation?

A: The pure culture consists of a single microorganism. This culture helps to easily evaluate the…

Q: What is the difference between Dry and Wet Celloidin Method?

A: Celloidin method is a histopathological technique of tissue impregnation and embedding that helps to…

Q: Why is it important to keep the culture at the correct incubation temperature when measuring the…

A: Generation time is the time which is taken by the bacteria to double in number during a specified…

Q: Why does a streaking method used to inoculate plates result in isolated colonies?

A: Streaking method is used to obtain pure colonies of microbes(bacteria) from a proper single species…

Q: What is agar and why is it necessary for growing bacteria on plates?

A: Agar is a mixture of two polysaccharides- agarose and agaropectin. It is derived from red-purple…

Q: What is the difference between culture-based technique and culture-independent techniques based on…

A: A microbiological culture, also known as a microbial culture, is a way of multiplying microbial…

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: What order should the steps be in for this culture method?

A: A conditional mutant is a mutant that exhibits a wild-type phenotype under permissive conditions but…

Q: How can the enrichment culture technique be used medically?

A: Bacteria require appropriate environmental conditions for its growth. Solid or a liquid preparation…

Q: What concentration of agar is used in a semisolid medium for motility determination?

A: Motility is a feature characteristic of only some bacteria. This ability allows the bacteria to move…

Q: Define a pure culture.

A: A microbiological culture, or microbial culture, is a strategy for duplicating microbial life forms…

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: What is the significance of heat fixing the smear?

A: Gram staining is a common laboratory technique in microbiology that is used to differentiate…

Q: Under what conditions are media typically sterilized in an autoclave?

A: An autoclave is the pressure chamber used to carry out the scientific and industrial processes…

Q: What are the purposes of carrying out the streak plate andpour plate techniques in microbiology?

A: It is a technique used to isolate a pure strain from a single species of microorganism, often…

Q: What are two types of compounds that make up the resin for column chromatography?

A: Column chromatography is a technique used for the separation or purification of biomolecules such as…

Q: what is the culture media for gram-positive bacteria?

A: The culture media for gram positive bacteria is Mannitol salt agar . The presence of bile salts, as…

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

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

Q: What settings and time are normally used for sterilization in an autoclave?

A: The fundamental rule of steam sterilisation as cultivated in an autoclave, is to open every thing to…

Q: What is an alternative to autoclaving for sterilizing heat-sensitive materials?

A: Any process that kills, eliminates, deactivates, or removes all forms of microorganisms and…

Q: What is selective medium?

A: Description of a selective medium.

Q: What is the media used in Urease Test and expected results?

A: Urease test is defined as a biochemical test that distinguishes the basic alkaline fermentation of…

Q: what is sterilization or define sterilization?

A: Sterilization is defined as the process where all the living microorganisms, including bacterial…

Q: What is meant by the term “enrichment culture”?

A: The culture medium or growth medium is the specific medium, which contains all essential nutrients,…

Q: What is a complex medium? and What are the basic components of a culture medium?

A: Medium is defined as the solid or liquid substratum on which the cells or organ can grow for further…

Q: What are the advantages of live preparations?

A: Vaccines impart adaptive immunity against certain pathogens.

Q: Distinguish batch culture and continuous culture

A: Fermentation is used to convert carbohydrates into alcohol or acids. This process occurs in some…

Q: What is the procedure for methylene blue stain on e.coli?

A: Methylene Blue is a cationic stain, which binds to negatively charged parts of the cells, such as…

Q: What compounds or chemicals might be added to a medium to make it selective?

A: Culture medium or growth medium is a liquid, solid, or semisolid designed to support the growth of…

Q: What is the nature of samples that should NOT be placed inside the drying-oven?

A: According to the question, we have to explain the nature of the samples that should not be placed…

Q: how to find out the test is differential or selective in the microbiology lab test?

A: Many kinds of medias are used in microbial study. Two types of media having similar inferred names…

Q: What are the culture media that can be used for cultivating non-specific and specific…

A: A microbiological culture medium is a substance that promotes the growth, support, and survival of…

Q: what is the procedure of solving the probelems of cultures those are suffering severely due to…

A: This is the defense compound of the plant and are toxic in nature because of that preventing plant…

Q: How does smear preparation of cells from a liquid medium differ from preparation of cells from a…

A: Answer: Smear Preparation is the method in microbiology laboratories to place the small amount of…

Q: What products are sterilized using high energy ionizing radiation?

A: Sterilization is the process of killing microorganisms.

Q: which kind of sample gives positive result for Molish test?

A: It is a chemical test which is named after the botanist Hans Molisch.  This test involves the…

Q: Can pure culture be prepared directly from a mixed culture? Explain your answer.

A: A microbiological culture, also known as a microbial culture, is a way of multiplying microbial…

Q: What method can be used to achieve sterilization?

A: It is required to describe the method to be used to achieve sterilization.

Q: What might have been some of the culture conditions used to isolate A. fumarolicum?

A: A.fumarolicum is an Extremophile. They are acidophilic, thermophilic and methanotropic in nature…

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: What are the different types of Pasteurization?

A: Pasteurization is the process of heat processing the liquid (mainly milk) or food so that the…

Q: What is the purpose of using the streak plate method?

A: Solution-  Introduction -  Streak plate technique is used  for the isolation into a pure culture of…

Q: What is the goal of isolation streak plate technique? Why is microbial considered a pure culture?

A: Streaking : Streaking for isolation on an agar plate involves the successive dilution of organisms…

Substance Abuse

Substance abuse refers to the use of illegal drugs in excessive quantities, as well as the misuse of legal substances such as prescription or over-the-counter pharmaceuticals or alcohol for purposes other than those intended. Drug addiction, also known as substance use disorder, is a disease that affects the brain and behavior of a person. It leads to a failure to control the use of any drug or prescription, legal or illegal.