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What are the primary sources of nutrient pollution that lead to eutrophication in aquatic ecosystems, and how do they impact the nitrogen and phosphorus cycles?

asked Feb 14 in Environmental Chemistry by ModestaDavey (1.6k points)

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What is the mechanism of nucleophilic substitution reaction in halogenoalkanes? Explain the role of the nucleophile and the leaving group in the reaction. Provide an example of a nucleophilic substitution reaction and predict the product formed.

asked Feb 14 in Organic Chemistry by WallaceUpsha (2.4k points)

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What are the differences between the primary, secondary, tertiary, and quaternary structures of nucleic acids and how do these structural differences affect their functions in biological systems?

asked Feb 14 in BioChemistry by EnriquetaDam (2.3k points)

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What is the structural difference between ethanol and propanol as determined by nuclear magnetic resonance (NMR) spectroscopy?

asked Feb 14 in Physical Chemistry by DexterTejada (1.7k points)

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What novel biosensors can be developed by synthesizing and characterizing new materials with tailored properties, and how can their performance be optimized for specific analytical applications?

asked Feb 14 in Materials Chemistry by JacquelynWil (1.7k points)

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What is the difference between normal, branched and cyclic alkanes in terms of their boiling points? Provide examples of each type and explain how their boiling points vary.

asked Feb 14 in Organic Chemistry by JoesphWoffor (2.3k points)

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How do non-specific DNA-binding proteins help in the initiation of DNA replication and prevent errors during the process?

asked Feb 14 in BioChemistry by ErikaStephen (2.4k points)

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How do the properties of non-ionic surfactants differ from those of anionic and cationic surfactants, and how does this affect their ability to lower the surface tension of a liquid?

asked Feb 14 in Surface Chemistry by MackMurry86 (2.2k points)

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1 answer 74 views

How do non-covalent interactions impact the stability of molecules and how can quantum chemical calculations be used to predict and analyze these interactions?

asked Feb 14 in Computational Chemistry by ClintCasiano (1.8k points)

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How does the decreased acetyl-CoA carboxylase activity affect the biosynthesis of triglycerides, cholesterol and fatty acids in the liver cells of overweight individuals who have developed non-alcoholic fatty liver disease?

asked Feb 14 in BioChemistry by Beatris09Q13 (1.9k points)

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Identify all the possible resonance structures for the molecule with a chemical formula of NO2- and explain how these structures contribute to the overall stability of the molecule.

asked Feb 14 in Chemical bonding by OtisBrumbaug (1.8k points)

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How does the enzyme nitrogenase reduce atmospheric nitrogen to ammonia during nitrogen fixation, and what are the factors that influence its activity?

asked Feb 14 in BioChemistry by TraciCoomes1 (1.9k points)

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How does the enzyme nitrogenase catalyze the conversion of atmospheric nitrogen gas into ammonia during nitrogen fixation, and what is the role of the metal-containing cofactor in this process?

asked Feb 14 in BioChemistry by FletaStepp73 (2.0k points)

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What is the molecular geometry and polarity of the nitrogen trifluoride (NF3) molecule?

asked Feb 14 in Inorganic Chemistry by IsraelAshwor (1.6k points)

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What is the role of nitrogen oxides in the formation of smog and how does smog impact human respiratory health?

asked Feb 14 in Environmental Chemistry by WhitneyCarey (1.8k points)

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How does nitrogen fixation occur in bacteria and plants, and what are the biochemical pathways involved in the assimilation of nitrogen into amino acids in organisms?

asked Feb 14 in BioChemistry by AnnKetner183 (2.3k points)

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1 answer 90 views

What is the mechanism of action of nitrogen dioxide on the respiratory system, and what are the specific health effects of prolonged exposure to this air pollutant?

asked Feb 14 in Environmental Chemistry by Marcella96R (2.4k points)

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1 answer 90 views

What is the electronic structure and bonding model of the nitrogen dioxide (NO2) molecule, and how is this reflected in the molecular orbital diagram and spectroscopic properties of NO2?

asked Feb 14 in Quantum Chemistry by BradlySyr093 (1.8k points)

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How does the process of nitrogen assimilation take place in plants and what are the key enzymes and cofactors involved in this process?

asked Feb 14 in BioChemistry by AOVFlorrie80 (1.7k points)

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How does the process of nitrogen assimilation occur in plants and what role do enzymes play in this process?

asked Feb 14 in BioChemistry by MarisolWebst (1.8k points)

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