A chemostat creates a constant flow of fresh nutrients and waste removal for industrial use of bacteria. True

Q: Explain why, to the best of our knowledge, most microorganisms resist culturing in the laboratory

A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…

Q: Desiccation, a time-honored method of preserving food, is effective because the   water content is…

A: Desiccation is the process by which we decrease the amount of water in any organism or any non…

Q: Which of the following statements regarding low temperature storage is FALSE?   Question options:…

A: Controlling microbes is critical for preventing disease spread.

Q: Citrate Broth and Citrate Agar are a type of media that is not described in this lab. However,…

A: Citrate media is a type of microbiological growth medium used to cultivate and maintain bacterial…

Q: Explain why high concentration of suger, salt and acid do not support microbial growth, only it have…

A: Microbial Growth refers to the growth of a microbial population i.e., an increase in its cell number…

Q: Give examples of mesophilic and thermophilic spore formers of concern in the food industry.

A: One of the main concern of the food industry is the microbial contamination.

Q: Transformation of bacteria can be done via Electroporation Calcium chloride treatment, heat shock…

A: F.Griffith first experiment Bacterial transformation. It is a process of horizontal gene transfer…

Q: Give 5 examples of microorganisms that may be grown in Nutrient Broth.

A: Nutrient Broth:                A pool of medium preferred to cultivate variant speedy and non-speedy…

Q: Calculate doubling time (td) and specific growth rate (μ) by using logarithmic growth stage.

A: In unicellular organisms, growth is measured in terms of the increase in the number of cells by cell…

Q: With the low nutrient concentrations in manures/organic matter, why use it at all

A: In agriculture, plant yield is enhanced by using pesticides and chemical fertilizers such as urea,…

Q: Write down two differences between bioaccumulation and Efflux pump mediated heavy metal removal by…

A: Metals that are relatively dense are heavy metals and even the presence of the slightest…

Q: Breakdown of the items in the image can occur through an anaerobic process to generate a renewable,…

A: In the absence of oxygen, bacteria utilize anaerobic digestion to break down organic materials,…

Q: . How could microorganisms be used to remove phosphate in wastewater?

A: Microalgae are able to convert nutrients from wasrewater into biomass and bioproducts,thus improving…

Q: What types of bacteria are inhibited on MacConkey agar

A: MacConkey agar,  contains peptones, lactose, bile salts, NaCl, neutral red (pH indicator), and…

Q: microorganism

A: Soy sauce is an oriental fermented product produced by two step of fermentation 1. solidstate…

Q: Explain the reason that why only specific microbes are selected to produce the fermented products…

A: Fermentation refers to "partial oxidation" of sugars by microbes using the organic molecule to…

Q: For long-term storage of microbes that will be may be revived and grown later, what temperatures are…

A: The underlying principle of long term preservation is to keep microorganisms in a dormant state,…

Q: Explain the advantages of fed-batch operation mode and give an example for a type of product…

A: Fermentation is a biological process which takes place in oxygen-deprived conditions by a different…

Q: Expalin the way in which pathogens slip through processes of water analysis and treatment undetected…

A: Drinkable water is necessary for optimum health, and its significance of water is widely recognized.…

Q: A water sample was taken from the Waikato River and returned to the laboratory to analyse water…

A: CFU is an abbreviation for Colony-Forming Unit. It is a unit of measurement used to estimate the…

Q: Chemicals that may be sterilants are called

A: High level germicides are a category of chemicals that have the ability to kill a wide range of…

Q: the ways to increase the yield and decrease the cost for production of commercially…

A: Materials that are necessary for the successful conduction of metabolism in living organisms are…

Q: Expalin the way in which pathogens slip through processes of water analysis and treatment undetected…

A: Drinkable water is necessary for optimum health, and the significance of water is widely recognized.…

Q: Expalin in detail the statement given, "Refrigerating food prevents the growth of all bacteria", is…

A: Microbes, also referred to as microorganisms, are invisible to the unaided eye. They can generally…

Q: Microbes can provide beneficial activities. Bioremediation (using bacteria) is a process used to…

A: Bioremediation is a waste management technique. Living organisms can be used in this process to…

Q: Answer the question briefly and concisely. The Mannitol salt agar (MSA) only allows the growth of…

A: Nutrient growth media are laboratory media that are used to support the growth of microorganisms,…

Q: Do all the microbes are cultivable in lab? Explain different techniques to study the microbial…

A: Microorganism: These are too small organism which is impossible to see by naked eyes. They exist in…

Q: Dissimılatory nitrate reduction carried out by bacteria can lead to loss of nitrogen as N2 from the…

A: Dissimilatory nitrate reduction is process which involve nitrate reduction, dinitrification,…

Q: What are other food items that are derived from microbial processes? Identify the microorganisms…

A: Microorganisms in food processing :- We used fermented food since ages. Various food items such as…

Q: :In bacterial culture media, agar is used as An additional nutrient .a Buffer .b A solidifying agent…

A: Agar is used in laboratory to help, feed and grow microorganisms. It is used in laboratory for…

Q: Strict aerobes grow in the surface of thioglycollate broth where more oxygen is present. Group of…

A: Thioglycolate broth is an enrichment medium which is used to determine the oxygen requirements of…

Physical and Chemical features

The physical property of a compound could be determined without modifying the originality of the compound. Examples of physical properties are density, hardness, color, boiling, and melting point. The chemical property expresses the ability of a compound to undergo a particular chemical change.