not useful for blood glucose 3. Why may this situation have evolved 4. Under what circumstances do you think substantial gluconeogenesis will occur 5. What is necessary for the production of ketones 6. What will reduce acetyl CoA oxidation 7. When is oxaloacetate availability impaired 8. When is the regulation of gluconeogenesis disrupted Glycolysis and gluconeogenesis are reciprocally regulated by eachother. What promotes the activity of one inhibits the other. Lack of
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properties of bitumen. There are mainly two types of ageing that is short term and long term ageing. There are two basic mechanisms involved in binder ageing; these include an irreversible process like chemical changes of the bitumen‚ consisting of oxidation of bitumen molecules‚ and loss of volatile components which subsequently has an impact on the rheological properties of the binders. The reversible process is the second mechanism termed as physical hardening; this involves the reorganization of
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Production of materials 1B – identify the industrial source of ethylene from the cracking of some of the fractions from the refining of petroleum Industrial source of ethylene (ethene) * Obtained from Crude oil – fractional distillation * Heated to high temps * Components vaporise and rise up tower where condense and collect * Lower the boiling point‚ higher up tower compound rises * Separates crude oil into fraction each with different boiling range - Catalytic Cracking
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hydroxyl group. The carboxyl functional group may be attached to an alkyl group or an aromatic group. Benzoic acid‚ is a colourless crystalline solid and a simple aromatic carboxylic acid. It is mainly consumed in the production of phenol by oxidation decarboxylation at 300-400. Oxidizing a primary alcohol can produce carboxylic acids. In this experiment‚ an aromatic carboxylic acids namely benzoic acid will be prepared by oxidizing benzyl alcohol‚ which is an aromatic alcohol with the formula
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9 Oxidation and reduction A complete set of fully worked solutions is contained in the Chemistry for WA 2 Solutions Manual. Review Exercise 9.1 1 a Redox reaction b Not a redox reaction c Redox reaction d Redox reaction 2 a Oxidation: Fe(s) Fe2+(aq) + 2e– Reduction: Ag+(aq) + e– Ag(s) Overall equation: Fe(s) + 2Ag+(aq) Fe2+(aq) + 2Ag(s) b Oxidation: Mg(s) Mg2+(aq) + 2e– Reduction: Cu2+(aq) + 2e– Cu(s) Overall equation: Mg(s) + Cu2+(aq) Mg2+(aq) + Cu(s) c No reaction.
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STUDY GUIDE (Ch. 9.1-9.5‚ 10.1-10.3) I) CELLULAR RESPIRATION A) Catabolic Pathways A.1) Fermentation: partial degradation of sugar that occurs w/o oxygen A.2) Cellular Respiration: oxygen is used A.3) Redox Reactions (Oxidation-Reduction that exchanges electrons) Oxidation: loss of electrons (energy must be added) Reduction: addition of electrons. (-) charged electrons added to atom reduce amount of (+) charge of that atom A.4) Stepwise Energy Harvest via NAD+ & ETC (FOODNADHETCOXYGEN)
Free Photosynthesis Cellular respiration Adenosine triphosphate
http://www.kewpid.com 1. Fossil fuels provide both energy and raw materials such as ethylene‚ for the production of other substances 1) Construct word and balanced chemical equations of chemical reactions as they are encountered • Methane + oxygen carbon dioxide + water • CH4(g) + 2O2(g) CO2(g) + 2H2O(l) 2) Identify the industrial source of ethylene from the cracking of some of the fractions from refining of petroleum Generally‚ demand for petrol exceeds supply produced from fractional distillation
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electrochemical oxidation of the lysergic acid type of ergot alkaloids‚ the mechanism may be generally applicable for compounds having the ergoloid skeleton. In the course of the work it was concluded that a simple DC amperometric method of detection in a FIA system could be applied to determine the content of ergot alkaloids of different pharmaceutical preparations. A suitable method designed to meet current analytical requirements has been developed and validated. Keywords: Electrochemical oxidation; ergot
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photosynthetic prokaryotes use the energy from sunlight to convert carbon dioxide and water to glucose and oxygen (a waste product). The summary reaction for photosynthesis can be written as 6 CO2 6 H2O C6H12O6 6 O2 This type of reaction is an oxidation-reduction (or redox) reaction. This reaction is also [anabolic/catabolic] and [endergonic/exergonic]. In redox reactions‚ electrons (and associated H ions) are transferred from one compound or element to another. If one compound or element
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results in 6 CO2 molecules 2. Move hydrogen atom electrons from glucose to O2‚ forms 6 H2O molecules 3. Trap as much free energy released as possible in the form of ATP Stage 1: Glycolysis Cytoplasm‚ 10 reactions‚ anaerobic Stage 2: Pyruvate Oxidation Mitochondrial matrix‚ 1 step process Stage 3: The Krebs Cycle Mitochondrial matrix‚ 8 steps in a cycle Stage 4: Electron Transport Chain & Chemiosmosis (Oxidative Phosphorylation) Mitochondrial membrane‚ various steps ATP Formation Substrate
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