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How does the process of protein degradation and turnover occur in cells, and what are the key molecular mechanisms involved in the breakdown and recycling of proteins?

asked Feb 14 in BioChemistry by KreogMoore5 (6.4k points)

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1 answer 140 views

How does the incorporation of functional groups affect the binding strength of host-guest complexes in supramolecular chemistry, as predicted by computational studies?

asked Feb 13 in Computational Chemistry by TereseAbner (1.8k points)

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What are the different coordination geometries exhibited by lanthanide complexes that have eight coordinating atoms? How do these geometries differ from those displayed by eight-coordinate transition metal complexes?

asked Feb 13 in Coordination Chemistry by SterlingIsr (1.7k points)

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1 answer 119 views

How can we optimize the processing conditions (temperature, pressure, residence time, etc.) for the manufacturing of a high-density polyethylene (HDPE) product with desired mechanical properties and enhanced resistance to environmental stress cracking?

asked Feb 14 in Polymer Chemistry by GabrielCantu (1.6k points)

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1 answer 129 views

What type of bonding is present in a sample of magnesium oxide (MgO)? Is it ionic, covalent, or metallic? Justify your answer with evidence and explain the characteristics of this type of bonding that are exhibited in this compound.

asked Feb 13 in Chemical bonding by EmileR968610 (2.0k points)

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1 answer 101 views

How do specific amino acid sequences in transcription factors contribute to DNA-protein interactions and regulation of gene expression?

asked Feb 14 in BioChemistry by RigobertoWat (1.5k points)

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What are the roles and mechanisms of lipid-derived mediators in inflammation and immune responses? How do alterations in lipid metabolism contribute to the pathogenesis of metabolic diseases such as obesity and type 2 diabetes?

asked Feb 13 in BioChemistry by MargieJobson (2.2k points)

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1 answer 156 views

What is the role of histones in the regulation of DNA transcription and how do chemical modifications to histones affect this process?

asked Feb 13 in BioChemistry by DoloresOtero (1.8k points)

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1 answer 184 views

What are the key chemical compounds and their ratios required to produce a long-lasting and captivating fragrance, and how can the manufacturing process be optimized to maximize yield with minimal waste?

asked Feb 12 in Chemical engineering by TinaKesler6 (1.9k points)

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1 answer 102 views

What is the difference between size exclusion chromatography and gel permeation chromatography as methods for polymer characterization? Which one is better-suited for determining the molecular weight distribution of a polymer sample? Justify your answer.

asked Feb 14 in Polymer Chemistry by RondaSkeyhil (1.7k points)

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1 answer 142 views

What is the hybridization of the nitrogen atom in the compound NH3?

asked Feb 13 in Inorganic Chemistry by Murray05Y450 (1.9k points)

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What is the number of electrons transferred in the following electrochemical reaction: Cu(s) + 2Ag+(aq) -> Cu2+(aq) + 2Ag(s) (Note: the standard reduction potentials of Cu2+(aq)/Cu(s) and Ag+(aq)/Ag(s) are 0.34V and 0.80V, respectively)

asked Feb 13 in ElectroChemistry by CathrynMacMa (2.5k points)

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1 answer 185 views

How does the coordination chemistry of metalloenzymes and metalloproteins impact their catalytic activities? Provide examples of metalloenzymes and metalloproteins and describe their coordination geometries and active sites.

asked Feb 12 in Coordination Chemistry by DieterSchrod (1.9k points)

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How does the composition of landfill leachate differ from that of natural groundwater, and what specific contaminants in landfill leachate contribute to groundwater pollution?

asked Feb 13 in Environmental Chemistry by MillaFredric (1.5k points)

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1 answer 148 views

What type of bonding is present in solid sodium chloride (NaCl)? Provide a detailed explanation of the characteristics of this type of bonding and explain why it is exhibited in NaCl.

asked Feb 13 in Chemical bonding by FredrickNobe (2.2k points)

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1 answer 120 views

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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1 answer 151 views

What is the balanced chemical equation for the single replacement reaction between iron (Fe) and hydrochloric acid (HCl)?

asked Feb 13 in Chemical reactions by ChristianeBo (2.0k points)

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1 answer 139 views

What is the effect of increasing the concentration of a reactant on the equilibrium position of a chemical reaction? Provide an example and explain the reasoning behind your answer.

asked Feb 13 in Chemical equilibrium by CharleyPrior (1.8k points)

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1 answer 142 views

What is the coordination number and oxidation state of the central metal ion in the complex [Fe(H2O)6]Cl3?

asked Feb 13 in Coordination Chemistry by AlineBacon1 (1.5k points)

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1 answer 154 views

How can we improve the compatibility of polymer blends to enhance their mechanical properties?

asked Feb 13 in Polymer Chemistry by KandisBeckwi (1.6k points)

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