What is a pure culture?

Q: How does E coli grow in liquid medium?

A: The liquid medium is used to grow the bacteria culture in the test tube and also it will involve the…

Q: Why is polyacrylamide gel is used in electrophoresis?

A: Introduction  Electrophoresis is a widely used laboratory technique for separating and analyzing…

Q: what is gel electrophoresis

A: Question : What is Gel electrophoresis,?

Q: What is the methods used for identifying unknown bacteria?

A: Ability of identifying various microorganisms have many important application.For example,in the…

Q: A culture medium contains 1mM NaCl, 1mM of each essential amino acid, and 5g/L honey. Is the medium…

A: A culture medium is defined if it contains various constituents with known and measurable…

Q: How can you make bacteria competent?

A: The word 'competence' refers to the ability of a cell to alter its genetics by taking up…

Q: What are the 4 types of culture?

A: Biological cultures include common laboratory means, which are involved in studying living organisms…

Q: What is the purpose of the TSI test?

A: A triple sugar iron test or TSI test is used to test a microorganism's ability to ferment sugar and…

Q: What is the function of petri dish in laboratory?

A: A Petri plate is a shallow glass which is cylindrical in shape. The Petri dish is named after the…

Q: What is the procedure of beta method?

A: Beta-lactamase test is used for the detection of enzyme beta-lactamase. This enzyme provides the…

Q: What is the purpose of making a serial dilution?

A: Given: In microbiology, serial dilutions (log dilutions) are used to reduce the bacterial…

Q: what is the gram staining procedure for e-coli

A: Gram staining is the laboratory technique which is used to differentiate between the morphology of…

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: How is a cells suspension culture made?

A: Answer: Cell suspension culture is the process of replicating single cells more quickly in a liquid…

Q: Why are there different spec readings (OD600) for different strains of E. coli?

A: OD value means optical density value at 600nm wavelength of light. In spectroscopy the sample means…

Q: Why

A: Introduction :- Electrophoresis is a technique commonly used used to separate charged molecules,…

Q: What is the principle behind invertase test

A: Invertase was an enzyme that hydrolyses the disaccharide sucrose into monosaccharides glucose and…

Q: Is it likely that a pure culture could be isolated from the human body? Why or why not?

A: In microbiology the pure culture is a laboratory culture that contains a single species of organism.…

Q: What is the average time period for an E. coli culture to go from lag phase to death phase?  Is it…

A: Lag phase is the the delay before the start of exponential growth. Death phase: when cell loses…

Q: t is the principle of gel electrophoresis?

A: The purity of isolated nucleic acids is determined using electrophoresis.

Q: What is the purpose of the blank test in the experiments?

A: Examples of different types of blanks used in different experiments are - equipment blank, field…

Q: What is meant by resolution in microbiology

A: •Resolution  is term used to describe the  ability of a microscope to distinguish features.

Q: What is Bacterial Injury in Microbiology?

A: Bacteria produced in pure culture under ideal circumstances are examined in the lab for their…

Q: What is meant by the term plating efficiency?

A: The cells are cultured over the plate at the particular growth conditions within a particular time…

Q: tudent forgot to add GelRed in to the gel mixture when he prepared the Agarose Gel. What will be the…

A: GelRed is a fluorescent nucleic  acid stain commonly used in molecular biology laboratories for…

Q: What are the advantages of live preparations?

A: Vaccines impart adaptive immunity against certain pathogens.

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…

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