If you are working at a sewage treatment plant, which microbial process would you use to reduce nitrates in sewage before releasing into rivers? Why? O nitirification to convert nitrates to unusable nitrites; to increase algal growth in water

Q: Which of the following is an organism involved in nitrification? Nitrosomonas Clostridium…

A: According to the question, we have to find out which of the following is an organism involved in…

Q: You have 2 organisms, A and B. One is an obligate aerobe and the other is an obligate anaerobe. You…

A: Microorganisms are categorized based on their oxygen requirement: Obligate aerobes Obligate…

Q: Which of the following groups of bacteria require or will use oxygen for respiration i, obligate…

A: Bacteria are microscopic single-celled prokaryotes that thrive in diverse environmental conditions.…

Q: The annamox reaction

A: it is anaerobic ammonium oxidation in this reaction. oxidation ammonium to dinitrogen gas using…

Q: Which organism(s) would likely be classified as an alkaliphile?

A: The pH is a negative logarithm of the hydrogen ion concentration. It measures how many hydrogen ions…

Q: Enterobacteriaceae species might be differentiated (from one another) by all of the following…

A: Amino acid fermentation reports by enterobacteriaceace family members has not been published yet.…

Q: Microbiology Why do obligate aerobes need oxygen? (In other words why is oxygen so important to…

A: Ans- Obligate aerobes use oxygen as a terminal electron acceptor and depend on aerobic…

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: At time zero a microbial population has a cell density of 100 cells/ml. After 12 hr the cell density…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: An organism that thrives in highly saline (salt rich) environment would be considered a:

A: Some primitive microorganisms are defined by their habitats,  for example methanogens can release…

Q: Signs and symptoms from this organism are as follows: Intense itching and a localized rash that may…

A: Signs and symptoms: These are defined as the abnormalities in the body that is indicative of of a…

Q: Decomposition is faster if deteritus is rich in nitrogen and water soluble substance like sugars.…

A: Decomposition is the conversion of complex organic matter into inorganic substances by decomposers…

Q: Why does secondary treatment of wastewater require O2?

A: Secondary treatment is a part of wastewater disposal system, where the sewage or other waste waters…

Q: Why would it be impossible for gram-positive bacteria to storesulfur as gram-negative…

A: Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the Gram…

Q: So we know that the cloudier the broth is, the more microbes are growing in the broth. How can you…

A: Introduction :- There are two types of media , present in labs to study various types of bacteria .…

Q: Bacteria are not used as probiotic agents. True O False The growth of bacteria that form endospores…

A: Bacteria are prokaryotic microorganisms. Bacteria are ubiquitous in nature and are found almost in…

Q: You are given an unknown bacterium in the lab and have to determine unknown bacterium's oxygen…

A: . Obligate Aerobes require oxygen to grow but Obligate anaerobes are damaged by oxygen. Facultative…

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: By accident, you placed a mesophile organism in a growth medium at pH 8. You expected it to die but…

A: Mesophiles are microorganisms that thrive at temperatures between 20 and 45 degrees Celsius, with an…

Q: True or False: Alkalinophiles live best in acidic conditions.

A: Acidophiles, are microorganisms that thrive in acidic environments, such as acid mine drainage or…

Q: Besides dehydrated foods, how might the amount of water available to microbes be decreased? Group of…

A: Dehydration is a method that has been used for centuries to preserve foods such as raisins, etc. It…

Q: What is most likely to be found in under cooked meat, such as hamburger? O E. Coli. O E. E.…

A: Any infectious agent or microorganism (Virus, bacterium, protozoa, ETC) that can cause disease is a…

Q: You observe a culture of bacterial cells that has been grown in liquid thioglycolate media and…

A: Thioglycolate broth is a differential medium enriched with several nutrients such as casein, yeast…

Q: In some cases, why does a chemical is more effective as a microbicide  when it is diluted rather…

A: An antimicrobial is an agent that kills microorganisms or stops their growth. Antimicrobial…

Q: Bacterium F had the lab results below. On which carbohydrates can it grow? From which sugars does it…

A: Bacterial ability to shape organic compounds by metabolizing certain carbohydrates and related…

Q: For a bacterium that prefers a neutral pH and has an optimal (best) growth pH of 7, how would growth…

A: The optimum pH for the growth of microbes is the favorable pH for that organism. The lowest pH value…

Q: Why do raw household ingredients such as granulated sugar and cooking oils never go bad in normal…

A: A. Extrinsic factors are factors in the environment external to the food, which affect both the…

Q: How would a facultative anaerobe growth curve change if it was placed in the presence of oxygen…

A: Facultative anaerobes are organisms that survive in the presence of oxygen and use oxygen for…

Q: ou are given an unknown bacterium in the lab and have to determine unknown bacterium's oxygen needs.…

A: Each living organism has certain kind of respiration process for synthesizing energy by breaking…

Soil Ecosystem

Soil provides a habitat or living environment for a large number of different species of organisms as well as plants. It provides all the essential nutrients and minerals for plants to grow. All these together form the soil ecosystem.