Which of the following product enter the TCA (Krebs) cycle? O Pyruvate O Lactate O Acetyl Co A O Critic acid O Oxaloacetate
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- The enzyme is considered to be alan * ÇOO ÇOO Lactate dehydrogenase HO-C-H+ NAD C=0 + NADH + H CH: Pyruvate Lactate O Oxydoreductase O Isomerase O Hydrolase O Ligase O DehydrataseShow the complete reaction mechanism (including arrow pushing) for this reaction.Below is an image of the Krebs cycle: acetyl-CoA oxaloacetate COASH H20 NADH NAD* H20 malate citrate fumarate isocitrate FADH2 NAD* CO2 FAD АТР NADH + ADP succinate GTP NAD+ a-ketoglutarate H20 GDP NADH + CO2 COASH succinyl CoA COASH Consider the conversion of succinate to fumarate, which is coupled with the production the electron carrier FADH2. If this reaction was NOT coupled with the production of FADH2 (and only catalyzed the conversion of succinate to fumarate), how would this impact ATP production through cell respiration? OATP production would stop because no high energy electron carriers would be produced ATP production would still occur, but there would be a much lower ATP yield because a large number of electron carriers are no longer being made ATP production would stop because without FADH2 we will no longer have electrons moving through the electron transport chain ATP production would still occur, but there would be a slightly lower ATP yield because a small number of…
- The enzyme that catalyzes reaction below can be classified as: CoO COO NAD+ NADH + H* Но- | malate -C- H-Ć- dehydrogenase Охaloacetate Malate isomerase lyase hydrolase oxidoreductase ligase transferaseWhat enzyme will not be used if the oxidative portion of the pentose phosphate pathway is operating to produce ribose 5-phosphate? Ribulose 5-phosphate isomerase 6-phosphoglucono-lactonase 6-phosphogluconate dehydrogenase Transaldolaseesent ane to produce the sucrose is actually points) Consider a situation where valine was used by the liver for gluconeogenesis. Valine is metabolized via the following pathway. 2022, Arizona State University COA valine NH₂ COO CO₂ ATP HỌ NHỉ COA CO₂ COO NAD NADH NAD NADH COA H+ H FAD FADH2 r CO2 COA COA H₂O COO H COO NADH NAD+ H HOT GTP GDP HOT P₁ COA ADP+ P COA COO COA Coo succinyl CoA How many molecules of valine would be required for one molecule of glucose? Using the appropriate amount of valine determined above, how many NADH, FADH2, and ATP would be produced or consumed by the conversion of valine into glucose? Assume that any net production of NADH and FADH2 is used in electron transport. What is the maximum net ATP production in the human mitochondria (10 c subunits)? Don't forget to add/subtract the ATP determined in the above question.
- In this transamination reaction (right), which of the following are the products X and Y? Oxaloacetate Glutamate A Alanine, a-ketoglutarate B Aspartate, a-ketoglutarate C Glutamate, alanine D Pyruvate, aspartateWhich of the following is NOT produced during the oxidative phase of the pentose phosphate shunt? a Ribulose-5-Phosphate b Glyceraldehyde-3-phosphate c CO2 d NADPHPropose a mechanism for the following reaction:
- Transamination reactions typically involve which of the following (select all that apply)? O almidine linkage/Schiff base O biotin O alpha-keto acid O pyridoxal phosphate zymogens O glutamate dehydrogenaseWhy would glutamate utilize the oxidative deamination pathway over transamination – especially if removal of NH4+ requires ATP? Would it not be favorable for the body to just use transamination?Match the following B vitamins with the roles of their coenzymes: riboflavin [ Choose ] niacin [ Choose ] pantothenic acid [ Choose ] vitamin B6 [ Choose ]