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What is the mechanism of action for the photochemical properties of the active ingredients in a selected sunscreen agent, and how do different factors, such as wavelength of light and concentration of the active ingredient, affect its efficacy?

asked Feb 20 in PhotoChemistry by SamMph085344 (2.4k points)

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What is the mechanism of action by which chlorofluorocarbons (CFCs) destroy the ozone layer and what measures can be taken to prevent their harmful impacts on the environment?

asked Feb 20 in Environmental Chemistry by CarleyBenite (1.4k points)

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What are the mechanical properties of a newly synthesized polymer and how can they be optimized for use in orthopedic implants to improve the success rate of the implant?

asked Feb 20 in Materials Chemistry by StacyS111358 (2.3k points)

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How does the metabolism of drugs in the body affect their efficacy and potential adverse effects? Provide specific examples of some drugs and their metabolites, and explain the role of enzymes and pathways involved in drug metabolism.

asked Feb 20 in Medicinal Chemistry by YukikoDalgle (1.6k points)

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What is the molecular geometry of the water molecule and what is the bond angle between the two hydrogen atoms and the central oxygen atom?

asked Feb 21 in Chemical bonding by SZVRamon1645 (2.4k points)

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How does the metabolic state of a cell change in response to different environmental stressors such as nutrient depletion, oxidative stress, and exposure to toxins, and how can this be studied using metabolomics and systems biology approaches?

asked Feb 20 in BioChemistry by EdytheEwk100 (2.6k points)

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What is the molecular geometry of the molecule NH3 (Ammonia)?

asked Feb 21 in Chemical bonding by AleciaAlleyn (1.5k points)

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What is the molecular geometry and bond angles of methane (CH4) molecules? How do they affect the molecule's properties?

asked Feb 21 in Quantum Chemistry by CorneliusU11 (1.7k points)

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What is the mechanism behind the nucleophilic addition reaction of an aldehyde or ketone with a nucleophile? Provide an example of the reaction and identify the product(s) formed.

asked Feb 20 in Organic Chemistry by Estella80D9 (2.2k points)

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What is the major product formed when benzene is treated with a mixture of sulfuric and nitric acid in the presence of concentrated sulfuric acid as a catalyst, and how does the reaction mechanism occur?

asked Feb 20 in Organic Chemistry by ElviaM111599 (1.4k points)

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What is the coordination number and geometry of the metal ion in the active site of the metalloprotein myoglobin? How does this coordination environment influence the protein's function as an oxygen carrier?

asked Feb 20 in Coordination Chemistry by KarolinBroth (1.5k points)

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How does insulin signaling pathway regulate glucose uptake in adipose tissue cells?

asked Feb 20 in BioChemistry by FBUToni29827 (2.2k points)

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What is the role of the metal ion in the active site of metalloenzymes involved in the oxidation of glucose? Provide a detailed explanation of the coordination chemistry of the metal ion and the amino acid residues that bind to it.

asked Feb 20 in Coordination Chemistry by KaitlynRodri (2.0k points)

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How does insulin signaling pathway work to regulate glucose metabolism in the liver cells?

asked Feb 20 in BioChemistry by LewisR691771 (1.8k points)

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What is the predicted bond angle in a molecule of water (H2O) based on its molecular geometry?

asked Feb 21 in Chemical bonding by RosemarieKin (1.8k points)

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What is the mechanism of electron transfer in the oxidation of ferrocene?

asked Feb 20 in Quantum Chemistry by XLNDorris808 (1.7k points)

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What is the molecular geometry of a molecule that has four bonding pairs and no lone pairs of electrons?

asked Feb 21 in Chemical bonding by KandisBeckwi (1.6k points)

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What is the coordination geometry of the metal center in the metalloprotein myoglobin, and how does that geometry influence its function in oxygen storage and release?

asked Feb 20 in Coordination Chemistry by RandolphWvo (1.9k points)

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How does the bonding pattern affect the magnetic properties of transition metal-based molecules and materials?

asked Feb 20 in Quantum Chemistry by RockyParas48 (2.5k points)

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What is the maximum surface coverage of nitrogen gas on a platinum surface at 25°C and a pressure of 1 atm, according to the Langmuir adsorption isotherm data with a Langmuir constant of 0.25 L/mole?

asked Feb 20 in Surface Chemistry by KraigQsr2950 (1.9k points)

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