NH3 2. Show the reaction mechanism for the conversion of pyruvate into acetaldehyde using thiamin...
Show the mechanism for a base-catalyzed aldol condensation of the reaction. Use any appropriate base. Show the mechanism for an acid-catalyzed aldol concentration of the reaction. use any apporproate acid. 2. Draw and name the compound resulting from the aldol condensation of vanillin with creatinine. сн, NH но- 160°C NH CH Vanillin Creatinine 2. Draw and name the compound resulting from the aldol condensation of vanillin with creatinine. сн, но- NH 160 C NH сH, Vanillin Creatinine
Propose a step by step reaction mechanism with an enzyme catalyst for the conversion of L-Trp to indole, pyruvate and ammonia. NH3 CH2-C-COO 1 H + H2O + CH3-C-COO + NH4 N Tryptophanase Tryptophan Water Indole Pyruvate Ammonium NH3 CH2-C-COO 1 H + H2O + CH3-C-COO + NH4 N Tryptophanase Tryptophan Water Indole Pyruvate Ammonium
Draw a reasonable mechanism for this reaction: H-CI NH HO H-: но NH3
Evaluate the reactions shown below, and select all true statements that apply. 2 ADP + 2 2 ATP c=0 Glucose Glycolysis сн. 2 Pyruvate 2 NAD 2 NADH 2 CO2 2 H CH H-C-OH + CH, 2 Ethanol (a) Alcohol fermentation 2 Acetaldehyde A. Glucose is the reducing agent B. NADH is being reduced. C. NAD+ is being reduced. D. Acetylaldehyde is being oxidized. E. Acetylaldehyde is the oxidizing agent F. As pyruvate is converted to acetyaldehyde, pyruvate is reduced...
Please show the mechanism with acid. 2. Write the complete reaction mechanism for the KCN-catalyzed reaction. Show all electron flow with arrows and show all intermediate structures он CH-COOH O но CN = C H20* Who. HHCEN NAOH HO cyanolydrin + NaCN + H2O
1. 2. 3. 4. Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate ~2-phosphoglycerate 1) fructose-6-phosphate→ fructose-1,6-bisphosphate . glucose glucose-6-phosphate Select all that apply. Alcohol fermentation: consumes ATP as it produces ethanol. O produces carbon dioxide begins as pyruvate is decarboxylated to acetaldehyde in a reaction catalyzed by alcohol dehydrogenase m regenerates NAD requires the enzyme alcohol dehydrogenase, In the figure below, what is the reaction occurring at the location...
using the general reaction scheme provided, what would he the reaction mechanism for O-Vanillin? NH2 H₂N -NH HN- R ! OH Amberlyst 15 Ethanol, NaBH OH HOC Unknown Carbonyl Compound (2 equivalents) НО
provide the mechanism for the following reaction 4. Show the detailed mechanism for the following reduction of propanenitrile to propanal using DIBAH in toluene. H₃C EN 1) DIBAH, Toluene, -78°C 2) H+, H,0 H₂C 0 + NH₃
Question 1 - Linked Reactions (10 marks) The reaction catalysed by pyruvate kinase is: Phosphoenolpyruvate+ ADPpyruvateATP Keg 3.63 x 105 a) Calculate the AG" for this reaction. Show your working. 3 marks b) The hydrolysis of ATP has following equation: AG 30.5 kJ/mol Calculate the AG" for the following reaction: Phosphoenolpyruvate pyruvateP Show your working. 2 marks c) At 37 °C, the steady-state concentrations of phosphoenolpyruvate, ATP, and ADP have been measured to be 23 HM, 1.85 mM and 140...
2. The reaction below is catalyzed by the CK enzyme: NH O | NHA | СК O= H₂N Ņ coo eo T N con + ATP + ADP Below is a picture of the active site for this enzyme. The red atoms are the amino acids in the CK protein. The blue structure is the substrate, the orange is the phosphate end of ATP. All dashed lines are showing interactions and the curved arrows are showing the mechanism. The wavy...