What is meant by the term plating efficiency?

Q: Define agar.

A: A dried jelly-like substance called agar, commonly referred to as agar-agar, is made from the red…

Q: What are the underlying physical principles of paper chromatography? What is spectrophotometry, the…

A: Analysis of different compounds quantitatively and qualitatively is an important aspect of research…

Q: How will you prepare a 5% BSA solution? Show all your steps.

A: BSA stands for bovine serum albumin, which is a protein extracted from cows' serum albumin. In lab…

Q: By the means of gas stoichiometry, how soaps are created?

A: Soap is made up of animal fat or plant oil, as well as caustic soda. It dislodges dirt from surfaces…

Q: What is alkaline reversion? Explain why this condition gives a false negative result

A: The microbes that affect the intestine of an individual are referred to as enteric pathogens. The…

Q: What is known as montreal protocol?

A: Montreal protocol is an international initiative for ozone depletion.

Q: Discuss the correct laboratory technique in using the centrifuge for qualitative analysis. Give two…

A: In labs, a centrifuge is a vital instrument that isolates diverse parts of a mixture, like fluids…

Q: What is optical density (OD) and how is it measured? How is it related to the concentration of the…

A: UV–vis spectrophotometric optical density (OD) is the most commonly-used technique for estimating…

Q: What is the difference between cost per billable test and cost per reportable result. (Give examples…

A: introduction : Cost per Test is a module for cost accounting. A Cost per Billable Test is generated…

Q: How many cells would you be plating if you pipetted 200uL into your dish from a 125 x 104 cells/mL…

A: The question is of calculation with keeping the units in our mind .

Q: a) What is the dilution factor if you add a 1ml aliquot of a specimen to 99ml of diluent? b)How to…

A: In the solution, adding solvent decreases the concentration of solute known as dilution. The…

Q: Why can't we determine Vo, Ve and Vt for affinity chromatography?

A: Chromatographic techniques separate macromolecules based on size, ion exchange, or their affinity…

Q: A sample is diluted by a factor of 10 five times. The 10^-3 dilution has 272 colonies on it.…

A: A serial dilution is a process of sequential dilution in order to decrease the density of cell…

Q: If the agar instructions say to mix 50 grams of agar in 1 liter of water, how many grams of agar…

A: 1 litre/ 1000 mL needs 50 grams of agar 1 mL needs 50/1000= 0.05 grams of agar 100 mL needs 0.05 X…