Which reaction is carried out by nitrification bacteria? Select one: a. nitrate to nitrite b. nitrogen to ammonium C. с. ammonium to ammonia d. nitrate to nitrogen

Q: Nitrification”is the conversion of:a.carbon compounds to nitrogen compounds.b.nitrogen gas (N2) to…

A: Nitrogen is the most abundant gas in the environment. Nitrogen cycle is one of the most important…

Q: Methanogens are classified as ____.   a. chemoautotrophs   b. photoautotrophs   c.…

A: Energy is required for the growth and survival of all living organisms. Bacteria are prokaryotic…

Q: Why is it important that decomposers such as bacteria release nutrients?

A: Decomposers are organisms that break down complex organic materials, such as remains of dead…

Q: An algal bloom in an aquatic ecosystem can cause the depletion of which element? Select one: a.…

A: Algal bloom refers as rapid accumulation in algae population in fresh water or marine water…

Q: Write a descriptive introduction or brief introduction about Microbial Motility/Determination of…

A: Some microbes are motile and some are not. Motility helps them to avoid danger and to obtain…

Q: Adding high levels of nutrients to a lake or inshore area wouldhave all of the following effects in…

A: Adding high levels of nutrients to a lake or inshore area would have all of the following effects in…

Q: Why a medium of a biofilter should have a high content of inorganic nutrients?

A: Biofiltration is a pollution control technique using a bioreactor containing living material to…

Q: Denitrifying bacteriaa. convert ammonia to nitrate.b. convert nitrate to ammonia.c. convert N2 to…

A: Answer is d.) convert nitrate to N2.

Q: What are the various constituents of domestic sewage? Discuss the effects of sewage discharge on a…

A: Sewage treatment is done in order to obtain water for future usage. Clean water is a basic…

Q: Use of synthetic fertilizers often leads to the contamination of groundwater with nitrates. Nitrate…

A: The amount of ammonia available influences the number of bacteria present (loosely). So, no, there…

Q: Composting organic matter accomplishes which of the following? Group of answer choices A.) Reduces…

A: Plant and microbial interactions are present right from the establishment of land plants. The plants…

Q: The conversion of ammonia to nitrate, known as _______________, is a two-step process performed by…

A: Nitrogen cycling is a biogeochemical cycle that converts atmospheric dinitrogen molecules into…

Q: Explain why antifungal agents are less selectively toxic than antibacterial agents.

A: Antimicrobial agents are natural, synthetic or semi-synthetic chemical substances with the…

Q: The microscope images show two different sludges. Which sludge is preferable in a biological…

A: Bacteria, archaea species, fungi, and certain protists are among the aerobic and anaerobic microbial…

Q: Nitrifying bacteria participate in the nitrogen cycle mainly by(A) converting nitrogen gas to…

A: Nitrifying bacteria are an integral part of the nitrogen cycle. They help in recycling of nitrogen…

Q: Which is not a process that occurs in a developed biofilm? A. Absorption of materials from the…

A: This question is about developed biofilms.

Q: with the aid of a diagram explain how the hydrogen uptake enzyme makes the nitrogen fixation process…

A: Mutualism, commensalism, predation, parasitism, and competition are the five basic symbiotic…

Q: Which type of organism does NOT photosynthesize?   a. Heterotrophs   b. Producers…

A: The process of conversion of light energy into chemical energy carried out by plants and other…

Q: What would happen to the nitrogen cycle if all bacteria were absent? Explain your answer.

A: The earth's atmosphere is made up of 78% of nitrogen which is used both by plants and animals to…

Q: Which process converts ammonium (NH4+ ) into nitrate (NO3− )?a) Nitrogen fixationb) Ammonificationc)…

A: Nitrite removal is even easier, with nitrite being oxidized by the enzyme nitrite oxidoreductase and…

Q: Describe how bacteria are used in sewage treatment.

A: The sewage is that is produced in huge quantities in human settlements like the cities are a huge…

Q: Make a unique answer: Describe the methods for identifying and quantifying microbial contaminants in…

A: The majority of techniques for determining the presence of microorganisms in water rely on…

Q: Bacteria that serve as decomposers are______ . a. photoautotrophs c. chemoautotrophs b.…

A: Living organisms are classified into three major domains of life based on the characteristics of the…

Q: a) Anoxic sludge digestion is a secondary waste water treatment; what are the major microbial…

A: Waste water management includes two major steps : Primary treatment and Secondary treatment. In…

Q: Methods of Bioremediation does not include Select one: a. Bioaugmentation b. Phytoremediation c.…

A: Bioremediation: Bioremediation is a field of biotechnology that involves the removal of…

Q: Which one is not a pollutant normally? (a) hydrocarbon (b) carbon dioxide (c) carbon monoxide

A: The introduction of hazardous substances into the environment is referred to as pollution.…

Q: Which group includes organisms that are thermophiles? a-photosynthetic autotrophs b-Eubacteria…

A: Introduction: The word "thermophile" has a literal definition: a thermophile. Thermal relates to…

Q: Denitrification is which of the following? a. Organisms like algae, cyanobacteria and plants are…

A: Biogeochemical cycle is a circulatory pathway involving the flow of elements between the living as…

Q: Would it be advantageous for the microbe to be a a) heterotroph or b) autotroph? Explain your answer

A: All living organisms need food as a source of energy for carrying out various life processes.

Q: What is organic waste and why is it importnant to have less organic waste

A: Humans rely on ecosystems for a variety of unseen services. An ecosystem is important because it…

Q: Choose the letter/s that applies: Among the following, which can be used as crop or plant…

A: Fertilizers can be described or defined as any natural and or synthetic materials applied to the…

Q: Which of the following processes is/are used to fix atmospheric N2? a.bacterial action b.Haber…

A: Nitrogen fixation is the process in which nitrogen in its molecular form (N2) in the atmosphere is…

Q: Heterotrophs that harvest energy from organic molecules are called   A. photoautotrophs   B.…

A: The oxidation of reduced inorganic molecules such as hydrogen, ammonia, nitrite, sulphide, hydrogen,…

Q: Bacteria that grew in the bottom of nutrient broth tube is: a. Anaerobic A b. Flocculent C. Pellicle…

A: In the laboratories, culture is an in vitro procedure for growing or cultivating bacteria or just…

Q: Organisms that can make their own food using inorganic molecules are called: a. autotrophs b.…

A: Nutrition is a process through which we acquire food that is necessary to generate energy through…

Q: What type of energy capture would you expect from a bacterium living within the hydrothermal vents?…

A: Hydrothermal vents serve as natural pipeline systems that carry heat and chemicals from the earth's…

Q: Explain what happens to a raw potato when hydrogen peroxide is put in it

A: Enzymes are proteins that increase the rate of reaction by lowering the activation energy. Enzymes…

Q: If you will think abstractly, Water cycle on earth uses what somewhat similar method to give back…

A: Water(hydrologic) cycle is a continuous cycle where it describes the movement of water within the…

Q: Waterborne microorganisms can survive in water with small amounts of nutrients but thrive in…

A: Introduction Water pollution is the contamination of water bodies when harmful substances often…

Q: Why can’t seawater be used to water plants?

A: Plants are multicellular, photosynthetic eukaryotes belonging to Kingdom Plantae. Plants are termed…

Q: Process where waste materials are digested by microorganisms is called Which term is appropriate for…

A: Microorganisms are the small organism which can be seen by naked eyes and cause diseases. Not all…

Q: The addition of ammonium caused heavy phytoplanktongrowth in the cultures, but the addition of…

A: . The phytoplanktons occupy the position of the primary producer in an ecosystem. It is autotrophic,…

Q: With the aid of a diagram, propose and explain a pH control system to maintain pH at 5 in a…

A: In stirred tank bioreactors, the process of cultivation takes place in the bioreactor tank. The…

Q: What is the effect on decomposition rate if :–a) Detritus is rich in lignin and chitinb) Detritus is…

A: A food chain is a linear network of links in a food web starting from produce organisms and ending…

Metabolic pathways

Metabolism is defined as the group of life-supporting, enzyme-mediated chemical reactions in organisms. A metabolic pathway is a set of these chemical reactions that involve anabolism (synthesis of complex biomolecules) and catabolism (breakdown of biomolecules into small molecules) that occur inside a cell. Metabolites are the reacting substances, products, and intermediate substances of an enzymatic process that are altered by a series of chemical events catalyzed by enzymes.