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- Discuss the suitability of bromocresol green and thymol blue (2nd change only) for use as indicators in an acetic acid - sodium hydroxide titration. Paragraph в I A + v ...Question 54 Electron transport and chemiosmosis (is the movement of ions across a semipermeable membrane, down their electrochemical gradient.) occur during both aerobic cell respiration and photosynthesis. What is the purpose of electron transport and chemiosmosis in both cell respiration and photosynthesis? O To create sugar molecules from oxygen gas O To create water molecules from carbon dioxide gas OTo use the energy released from slowing electrons to build ATP OTo usc he energy released from slowing electrons to create lightThe following data is for the oxidation of catechol (the substrate) to o-quinone by the enzyme o-diphenyl oxidase. Additional data is also provided for when the reaction is run in the presence of Phenylthiourea. All data was acquired by monitoring the change in absorbance at 540 nm. Die volgende data is vir die oksidasie van katekol (die substraat) na o-kinoon deur die ensiem o- difenyloksidase. Bykomende data word ook verskaf vir wanneer die reaksie uitgevoer word in die teenwoordigheid van Phenylthiourea. Alle data is verkry deur die verandering in absorpsie by 540 nm te monitor. 1,01 0,49 0,32 0,25 0,19 [catechol] (mM) Rate (AAU/min) Uninhibited 65,02 47,11 38,44 32,84 26,92 Rate (AAU/min) Phenylthiourea (1.5mM) 46,62 37,45 31,10 27,40 23,36 Using graphical methods, determine what type of inhibitor Phenylthiourea is, as well as the inhibited reaction's K'm and V'max. Following this, determine Phenylthiourea's Ki (also using graphical methods). Please note, the Lineweaver-Burk plot…
- The biosynthesis of vitamin D₂ is a two-step reaction, requiring two types of concerted pericyclic reactions. Draw in the arrows for each step and identify the structure of precalciferol. If an electrocyclic reaction is required, identify if it occurs through a conrotatory or disrotatory reaction. HO H H ergosterol hv precalciferol Cast HO ergocalciferolDraw the major organic product for the following reaction. 1. LiAlH ཝ་རི་-w;"", - CH3-C C-CH 2.Complete the following precipitation reactions using balanced chemical equations:
- Draw the alcohol used to produce each of the following ketones. Include all hydrogen atoms.The free energy of hydrolysis for acetic anhydride is221.8 kJ/ mol. The conversion of ATP to ADP also involvesthe cleavage of an anhydride bond. Its free energy of hydrolysis is 230 kJ/ mol. Explain the difference in these values.Pepto-Bismol, an antacid and antidiarrheal, contains bismuth subsalicylate, C7H5BiO4. Some users of this product can experience a condition known as “black tongue,” which is caused by the reaction of bismuth(III) ions with traceamounts of S2- in saliva to form a black precipitate. Write the balanced net ionic equation for this precipitation reaction.