Why is scale formation typically only a problem in hot water pipes?

Q: What is the appropriate dose (chlorine, ozone, ultraviolet rays) to sterilize water per 100 cubic…

A: Hi! Thank you for the question! Since the appropriate dosage of ultraviolet rays is not known, the…

Q: What is the range of pocket thermometer?

A: They are lightweight digital thermometers. They have a built in pocket clip. It is constructed using…

Q: Why is algae being grown in wastewater

A: INTRODUCTION Production and emission of CO2 from different sources have caused significant changes…

Q: Explain the imporance of using a control tube with only broth when measuring turbidity in a…

A: Introduction :- There are two types of growth medium or media which are used to grow microorganisms…

Q: How can the temperature of steam be raised above 100°C? Whichinstrument is based on this technique…

A: Steam is generated after the water boils. At normal atmospheric pressure, water boils at 100°C, and…

Q: Why should you be careful not to underheat a smear during the heat-fixingprocess?

A: The bacterial strain are so small that it cannot be visualized by naked eyes. It has to be observed…

Q: What a scrubber in the exhaust of chemical industrial plant removes?

A: Pollution is the introduction of contaminants into the natural environment that cause adverse…

Q: How do I find the amount of substrate consumed using the given concentration of substrate, measured…

A: A standard curve, or calibration curve or calibration line, is a type of graph used in quantitative…

Q: Organisms that live in fresh water are almost always hypertonic to their environment .In what way is…

A: The net movement of water exerts a pressure recognized as osmotic pressure out of or into a cell.…

Q: write the procedure for the following a. celloiding embedding b. epoxy embedding c. vacuum…

A: The procedure are as follows: a)celloiding embedding Celloidin is broken up into equivalent pieces…

Q: Distance Passed Partition Pigment Spot Color (mm) Coefficient, R Chlorophyll b Yellow green 22 22/54…

A: Chromatography: Chromatography is a very important technique used for the identification,…

Q: Was there any difference in the amount of gas produced by yeast in room temperature tapwater…

A: Saccharomyces cerevisiae, more commonly known as Baker’s Yeast, is a single-celled microorganism,…

Q: What are the possible types of respiration that oxidase-positive samples might be capable of?…

A: A bacterium is a microscopic, unicellular organism that is capable of living in a variety of…

Q: The mud at the bottom of a Winogradsky column is usually found to have a black colour. Explain why?

A: Sergei invented the winogradsky column to view the enrichment of different microorganisms of various…

Q: How does primary sludge differ from activated sludge? What type of changes in the sludge are carried…

A: Since you have posted multiple questions we solve the first question for you. To get the remaining…

Q: Besides better aeration and mixing properties, what other advantages do stirred tank bioreactors…

A: A bioreactor is a man-made device specially designed for supporting biologically active environment.…

Q: How can a life cycle of microorganism and heat resistance graph be used to determine the boiling…

A: Heat is one of the effective as well oldest physical methods that have been employed for microbial…

Q: Most living organisms cannot survive at temperature above 450C. How are some microbes able to live…

A: The organisms which can survive at higher temperatures  are known as thermophiles which have a…

Q: Write a short note, What is the role of nitrate in microbial metabolism?

A: - Nitrogen is a basic element for the microbes . It is a component of 2 biological macromolecules…

Q: What is activated sludge?

A: Activated sludge is the method which is used to stabilise the wastewater having organic Constituents…

Q: Explain the importance of using a control tube with only broth when measuring turbidity in a…

A: A spectrophotometer is used to measure the turbidity of a microbial culture sample. It is also used…

Q: How would you set up the incubation system in order to isolate bacteria using sulphur compounds in…

A: Enrichment culture technique is a growth media that favors the growth of specific microbes over…

Q: In what environments might the following organisms be found? hyperthermophile

A: An environment, with respect to an organism, is the conditions and surrounding factors where a…

Q: What are the differences and similarities between fish drying and fish smoking in terms of processes…

A: Fish drying and fish smoking are the methods of preserving fish for a long duration. But there are…

Q: Where will lignin degrade faster: in a shallow riverbed or in a rice paddy? Explain.

A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…

Q: Why are film formers and solvents important in sunscreen formulations

A: In generating medicines or cosmetics formulation plays a key role as it makes sure that the active…

Q: What effect does acid rain have on the enviorment on a macrocosmic scale?

A: Acid rain occurs as a result of chemical reactions. When compounds like sulfur dioxide and nitrogen…

Q: If I add 10 microliters of a culture at 106 cells/mL to 990 microliters of nutrientbroth, what is…

A: Microbiology is the branch of science that studies microscopic organisms. As microorganisms are not…

Q: Why are cans of food put into a steam retort?

A: Certain foods are preserved by a technique called canning in which they food are placed in air-tight…

Q: Given the figure below explain the effect of surfactants in terms of dirt removal on the solid…

A: A Surfactant molecule acts as a mediator between dissimilar boundaries, insoluble dirt, and water.…

Q: Identify the oxidizing agent in the following REDOX reaction?  CI2 + NaBr --> NaCI + Br2 A) NaCI…

A: A redox reaction can be defined as a chemical reaction in which electrons are transferred between…

Q: The authors of this paper also tested another minimal media (Media C) which is exactly the same as…

A: Media C has a pH of 7.4 and media B has a pH of 7.1 qhich means that C is more basic than B and thus…

Q: If sea fireflies (Cypridia hilgendorfii) are heated in water at 100oC for a few minutes before…

A: Question - If sea fireflies (Cypridia hilgendorfii) are heated in water at 100oC for a few minutes…

Q: Large-scale industrial fermenters generally require constant, vigorous cooling. Why?

A: Fermentation involves the release of energy.

Q: explain in your own words why thermophile organism gorws well at 55 Celsius

A: Microorganisms and their activities play a critical role in practically all of the processes that…

Q: Define water activity and briefly describe how it can be determined. Why is it difficult for…

A: The tiny organisms that cannot be observed by unaided eyes are the microorganisms. The microbes…

Q: UESTION ANSWER 0.IM PIPES (pKa = 6,8) %3D mich of the following aqueous solutions has the highest…

A: The dissociation of a weak acid is described by the Henderson-Hasselbalch equation:Ka = [H+][A-] /…

Q: What are the three (3) possibilities of humidification process based on water temperature being…

A: Humidification is the process of adding moisture to the air. This can be done by water or steam to…

Q: What are the advantages of solid media  ?

A: Microbial culture is a method of multiplying microbes by allowing them to reproduce in a…

Q: If I add 10 microliters of a culture at 106 cells/mL to 990 microliters of nutrient broth, what is…

A: Cell density refers to number of cells present per unit volume. It is usually expressed in cells/mL.

Q: why should the ethanol/lystate boundary not be distrubed

A: Ethanol lysate boundary is very much important in the case of DNA extraction experiments, where…

Q: What is the effect of pH in the shelf life of unsterilized media? [Answer in not more than 2…

A: The shelf life of unsterilized media will decrease due to the pH.

Q: What happens to winogradsky column if it is put in a dark place in room temperature.

A: The Winogradsky column is a small, enclosed ecosystem used to enrich sediment microbial communities,…

Q: How many joules are required to boil 150 grams of water?

A: To boil an amount of water, an amount of heat is required to increase the temperature is dependent…

Q: Which is more Suitable for long-term storage: agar slant or plate? Explain why?

A: In order to isolate the bacteria from samples, they need to be inoculated into a growth medium which…

Q: What is Bioreactor? What are the advantages of Stirred tank Bioreactor over Shake flask.

A: Large-scale production of organic substances such as antibiotics, hormones, vitamins, acids,…

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: Which of the following has been shown to cause corrosion in iron pipes? O A. extreme ferrophiles O…

A: Corrosion: Corrosion is the natural transformation of a refined metal into a more chemically stable…

Q: What is water activity and what role does it play in the growth of microorganisms and yeasts and…

A: Water activity is the partial vapor pressure of water in a solution divided by the standard state…

Terrestrial Ecosystem

An ecosystem is a collection of interconnected communities. It includes both living and non-living elements of specific strata. The terrestrial ecosystem is solely related to the ecosystem present on the land and covers 25 to 30% of the total earth’s surface area.