Which of the following ecological functions are carried out by bacteria/microbes? (Mark all that apply.) Which of the following ecological functions are carried out by bacteria/microbes? (Mark all that apply.) Recycling and releasing phosphorus, iron, potassium, and other nutrients from detritus into the soil Denitrification - converting nitrates to non-reactive nitrogen gas (N2) Serving as the primary producers in the detritus food web. Converting atmospheric nitrogen (N2) to reactive forms of nitrogen Breaking down cellulose and other resistant organic molecules thus releasing CO2 to the atmosphere
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5 Which of the following is a way that bacteria are harmful to organisms? A Decomposing organic substances and returning nutrients to the soil. B Producing enzymes that break down cellulose in plant-eating animals. C Fixing nitrogen from the atmosphere on the roots of certain plants. D Interfering with cellular processes within the body of some animals.
Adi S.
Denitrification by bacteria converts nitrates (NO3-) to nitrogen gas (N2). Nitrogen fixing bacteria convert nitrogen gas (N2) into organic compounds. Nitrification by bacteria converts nitrates (NO3-) to nitrites (NO2-). Ammonification converts organic nitrogenous matter from living organisms into ammonium (NH4+).
Madhur L.
Microorganisms perform major transformations of organic and inorganic compounds. The following reaction is performed by an enzyme named: N2 --> NH4 a. Nitrogenase b. Ammonia monooxygenase c. Nitrate oxidoreductase d. RuBisCo e. Endoglucanase Microorganisms perform major transformations of organic and inorganic compounds. The following reaction is performed by an enzyme named: CO2 ---> Glucose a. Nitrogenase b. Ammonia monooxygenase c. Nitrate oxidoreductase d. RuBisCo e. Endoglucanase Microorganisms perform major transformations of organic and inorganic compounds. The following reaction is named: CO2 -----> CH4 a. Sulfur oxidation b. Ammonia oxidation c. Methanogenesis d. Carbon fixation e. None of the above Mycorrhizal fungi increase plant acquisition of phosphorus and other nutrients. This relationship is mutualistic because both fungi and plants benefit. There are two types of mycorrhizal fungi. The fungi with intracellular hyphae are: a. Proteobacteria b. Ectoendomorph c. Ectomycorrhizae d. Endomycorrhizae e. Endoendomorph
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