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In Glycolysis the first five reactions involve: Oxidation of acetyl CoA Oxidation of pyruvate Release of...
FOR BIOCHEMISTRY: 1. The end products of glycolysis are all except ______________ NADH citrate pyruvate Acetyl...
FOR BIOCHEMISTRY: 1. The end products of glycolysis are all except ______________ NADH citrate pyruvate Acetyl CoA 2. What substance is produced by the oxidation of pyruvate and feeds into the citric acid cycle? glucose Acetyl CoA O2 CO2 3. Pyruvate can only oxidize in a presence of oxygen true false 4. Which of the following is Uncharacteristic of ATP? It is formed by attaching a phosphate group to ADP with a high-energy bond When dephosphorylated, ATP becomes ADP It...
1.Predict the effect of a large amount of acetyl-CoA on the activity of pyruvate dehydrogenase and...
1.Predict the effect of a large amount of acetyl-CoA on the activity of pyruvate dehydrogenase and the rate of glycolysis. Note: pyruvate dehydrogenase is the enzyme that catalyzes the formation of acetyl-CoA from pyruvate. a. Pyruvate dehydrogenase activity will decrease while the rate of glycolysis will increase. b. Both pyruvate dehydrogenase activity and the rate of glycolysis will decrease. c. Pyruvate dehydrogenase activity will increase while the rate of glycolysis will decrease. d. The rate of glycolysis will increase, thereby,...
Stage 2: Monosaccharide Degradation to Acetyl CoA (Glycolysis + Pyruvate Conversion) Pyruvate: Aerobic and Anaerobic Conversion...
Stage 2: Monosaccharide Degradation to Acetyl CoA (Glycolysis + Pyruvate Conversion) Pyruvate: Aerobic and Anaerobic Conversion 1. Define what it means for a biochemical reaction to be aerobic vs. anaerobic. List what pyruvate will be converted to under each set of conditions. Conditions Definition Pyruvate Conversion Product aerobic anaerobic 2. In the space below, write the coupled reaction for the aerobic conversion of pyruvate, labeling the name of each reactant and product in the reaction. 3. Even though oxygen is...
Glucose Pyruvate Acetyl-CoA Glycolysis Pyruvate Oxidation Bifunctional Dehydrogenase Ethanol The diagram above represents processes needed for...
Glucose Pyruvate Acetyl-CoA Glycolysis Pyruvate Oxidation Bifunctional Dehydrogenase Ethanol The diagram above represents processes needed for ethanol production in C. besci. For each numbered blank in the diagram, write the number and the molecule that the blank represents. Then answer the following questions. The glyceraldehyde 3 phosphate dehydrogenasse reaction in the previous question takes place in glycolysis. Write a concise and coherent explanation of why that reaction is needed to produce ethanol in C. bescii. Your answer must integrate the...
Glycolysis is the first part of glucose' catabolic journey to complete oxidation. It is not until...
Glycolysis is the first part of glucose' catabolic journey to complete oxidation. It is not until pyruvate, the end product of glycolysis, is oxidized by the pyruvate dehydrogenase complex, that the first glucose carbons are oxidized to CO2. The overall PDH reaction is shown below. Identify the glucose carbon atoms that are removed in this reaction and the glucose atoms that are destined to become part of acetyl CoA. 0 0 C3, C4 →Ć Pyruvate dehydrogenase + NAD+ + COASH...
8. Draw the overall coupled reaction showing the conversion of pyruvate into acetyl CoA. dono STEP...
8. Draw the overall coupled reaction showing the conversion of pyruvate into acetyl CoA. dono STEP 2 nach do not ww what are true. Ir raise, change one word in the statement so that it is true. a. The pyruvate produced from glycolysis must be consumed in some way or glycolysis stops. b. Glycolysis produces ATP directly. too C. Glycolysis breaks down glucose into acetyl CoA. d. Glycolysis is aerobic
4. (20 points) The reaction of pyruvate to acetyl-CoA and CO2 is the bridge reaction between...
4. (20 points) The reaction of pyruvate to acetyl-CoA and CO2 is the bridge reaction between glycolysis and the citric acid cycle. The carbon atoms in pyruvate are numbered and where they end up in the products are indicated CO0Θ 2 C=O + HS-CoA 3 CH3 Pyruvate S-COA 2C=O 3 CH3 Acetyl CoA Pyruvate dehydrogenase +1 CO2 a) Is C atom 1 in CO2 in a more reduced state or more oxidized state compared to its state in pyruvate? Why?...
Please help and explain answers! 1. In a series of chemical reactions, glucose is first converted...
Please help and explain answers! 1. In a series of chemical reactions, glucose is first converted into __________. a) pyruvate b) glycerol c) acetyl CoA 2. In the process of glycose breaking down, hydrogen and electrons are carried by coenzymes made from the ___. a) B vitamin biotin b) B vitamin niacin c) vitamin thiamine 3. In the Cori Cycle, the conversion of lactate to glycose by anaerobic glycolysis in the muscle requires energy from ___________. a) acetyl CoA b)...
Question 1 A-C Question 2 Question 1: Glycolysis represents only very limited oxidation of glucose into...
Question 1 A-C
Question 2
Question 1: Glycolysis represents only very limited oxidation of glucose into pyruvate, and may be followed up by fermentation involving reduction of pyruvate, not further oxidation. Part A. (4 points) Explain how one molecule of NAD+ plays important roles in both parts of the above paired reactions, specifically mentioning how it is involved in both oxidation and reduction Part B. (4 points) The enzymes involved in the reduction of pyruvate to lactate or ethanol have...
Choose the ONE BEST answer explaining how oxaloacetate and acetyl-CoA levels are balanced to maximize flux...
Choose the ONE BEST answer explaining how oxaloacetate and acetyl-CoA levels are balanced to maximize flux through the citrate cycle when energy charge in the cell is lovw Oxaloacetate is required for mitochondrial shuttle systems, and therefore it makes sense to activate pyruvate carboxylase by ATP and inhibit it by malate. None of the answers are correct. The best way to balance the input of carbon into the citrate cycle is to regulate the production of citrate using vitamins like...
Stage 2: Monosaccharide Degradation to Acetyl CoA (Glycolysis + Pyruvate Conversion) Pyruvate: Aerobic and Anaerobic Conversion 1. Define what it means for a biochemical reaction to be aerobic vs. anaerobic. List what pyruvate will be converted to under each set of conditions. Conditions Definition Pyruvate Conversion Product aerobic anaerobic 2. In the space below, write the coupled reaction for the aerobic conversion of pyruvate, labeling the name of each reactant and product in the reaction. 3. Even though oxygen is...
Glucose Pyruvate Acetyl-CoA Glycolysis Pyruvate Oxidation Bifunctional Dehydrogenase Ethanol The diagram above represents processes needed for ethanol production in C. besci. For each numbered blank in the diagram, write the number and the molecule that the blank represents. Then answer the following questions. The glyceraldehyde 3 phosphate dehydrogenasse reaction in the previous question takes place in glycolysis. Write a concise and coherent explanation of why that reaction is needed to produce ethanol in C. bescii. Your answer must integrate the...
Glycolysis is the first part of glucose' catabolic journey to complete oxidation. It is not until pyruvate, the end product of glycolysis, is oxidized by the pyruvate dehydrogenase complex, that the first glucose carbons are oxidized to CO2. The overall PDH reaction is shown below. Identify the glucose carbon atoms that are removed in this reaction and the glucose atoms that are destined to become part of acetyl CoA. 0 0 C3, C4 →Ć Pyruvate dehydrogenase + NAD+ + COASH...
8. Draw the overall coupled reaction showing the conversion of pyruvate into acetyl CoA. dono STEP 2 nach do not ww what are true. Ir raise, change one word in the statement so that it is true. a. The pyruvate produced from glycolysis must be consumed in some way or glycolysis stops. b. Glycolysis produces ATP directly. too C. Glycolysis breaks down glucose into acetyl CoA. d. Glycolysis is aerobic
4. (20 points) The reaction of pyruvate to acetyl-CoA and CO2 is the bridge reaction between glycolysis and the citric acid cycle. The carbon atoms in pyruvate are numbered and where they end up in the products are indicated CO0Θ 2 C=O + HS-CoA 3 CH3 Pyruvate S-COA 2C=O 3 CH3 Acetyl CoA Pyruvate dehydrogenase +1 CO2 a) Is C atom 1 in CO2 in a more reduced state or more oxidized state compared to its state in pyruvate? Why?...
Question 1 A-C
Question 2
Question 1: Glycolysis represents only very limited oxidation of glucose into pyruvate, and may be followed up by fermentation involving reduction of pyruvate, not further oxidation. Part A. (4 points) Explain how one molecule of NAD+ plays important roles in both parts of the above paired reactions, specifically mentioning how it is involved in both oxidation and reduction Part B. (4 points) The enzymes involved in the reduction of pyruvate to lactate or ethanol have...
Choose the ONE BEST answer explaining how oxaloacetate and acetyl-CoA levels are balanced to maximize flux through the citrate cycle when energy charge in the cell is lovw Oxaloacetate is required for mitochondrial shuttle systems, and therefore it makes sense to activate pyruvate carboxylase by ATP and inhibit it by malate. None of the answers are correct. The best way to balance the input of carbon into the citrate cycle is to regulate the production of citrate using vitamins like...
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