The conversion of palmitoyl-coA (16:0) to myristoyl-CoA (14:0) and 1 mol of acetyl-CoA by the beta...
Homework Answers
NADH and FADH2 by citric acid cycle which starts with acetyl coA. These molecules then enter electron transport chain and undergo oxidative phosphorylation to form ATP.
Beta oxidation of the process of oxidation of fatty acid molecule to release on the energy stored in it. Energy is stored in the form of ATP molecules. The fatty acid first undergoes beta oxidation to get converted into acetyl coenzyme a. Acetyl coenzyme a then enters citric acid cycle to give rise to high energy electron Carriers which then enter electron transport chain to form ATP.
Beta oxidation occurs in mitochondrial matrix.
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The
conversion of palmitoyl-coA (16:0) to myristoyl-CoA (14:0) and 1
mol of acetyl-CoA by the beta...
Question 1. Calculate the numbers of acetyl-CoA molecules produced when a fatty acid with 14 carbons...
Question 1. Calculate the numbers of acetyl-CoA molecules produced when a fatty acid with 14 carbons after undergoing beta-oxidation? Question 2. How many a) cycles of beta-oxidation will a fatty acid with 14 carbons undergo? Explain briefly. b)? How many acetyl-CoA molecules ? explain briefly? Question 3. Consider the synthesis of fatty acids: Answer the flowing: True or False: a) CoA carries intermediate b) Acetyl-CoA donates two carbon atoms c) Malonyl-CoA donates two carbon atoms d) The reverse of fatty...
What is the fate of the acetyl CoA produced during beta oxidation? O It is sent...
What is the fate of the acetyl CoA produced during beta oxidation? O It is sent to the electron transport chain for further processing. It is deaminated. o It enters glycolysis It enters the Kreb's cycle.
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...
1. In untreated Type 1 diabetes, the hepatocyte's citric acid cycle becomes overwhelmed with acetyl-CoA fr...
1. In untreated Type 1 diabetes, the hepatocyte's citric acid cycle becomes overwhelmed with acetyl-CoA fr Map excessive fatty acid oxidation. Although the excess acetyl-CoA is not toxic, it must be diverted into the formation of ketone bodies: acetone, acetoacetate, and D-(hydroxybutyrate.
What problem would arise if the excess acetyl-CoA were not converted to ketone bodies?
How does the diversion to ketone bodies solve the problem?
The enzymes converting acetyl-CoA to acetoacetate liberate the CoA to be used in...
1. Assume that the following acyl-CoA is degraded by beta-oxidation, draw the intermediate (compound) structures during...
1. Assume that the following acyl-CoA is degraded by beta-oxidation, draw the intermediate (compound) structures during one cycle of beta-oxidation. Give the NADH or FADH2 where appropriate m ioco 2. Below is a part of fatty acid synthesis. Draw individual intermediates during the synthesis from acetyl-CoA to butyryl-CoA. Indicate where ATP or NADPH is used. is.com Escon - is.com
Acetyl-CoA labeled with C, as shown, can enter the citric acid cycle. Assuming all the acetyl-CoA...
Acetyl-CoA labeled with C, as shown, can enter the citric acid cycle. Assuming all the acetyl-CoA enters the cycle... 1. What fraction of the label will be present in oxaloacetate at the end of one turn of the cycle? 14 2. Which carbons in the oxaloacetate formed by one turn of the cycle would contain the radioactive label? C4 C3 C2 Ci .What fraction of the original radiolabel present in the acetyl-CoA will be present in oxaloacetate at the end...
In the process of beta oxidation, what is the two carbon endproduct of one cycle? acetyl...
In the process of beta oxidation, what is the two carbon endproduct of one cycle? acetyl COA O phosphoenol pyruvate ethanol lactic acid
To make a C20:0 fatty acid how many: Acetyl CoA molecules are needed? 10 9 7...
To make a C20:0 fatty acid how many: Acetyl CoA molecules are needed? 10 9 7 8 How may Acetyl CoA molecules are converted to malonyl CoA 10 9 7 8 How much NADPH is needed? 16 14 18 20 How much ATP is needed? 7 10 8 9
3. (10 pts) Citrate synthase catalyzes the reaction: Oxaloacetate + acetyl – COA → citrate +...
3. (10 pts) Citrate synthase catalyzes the reaction: Oxaloacetate + acetyl – COA → citrate + HS – COA The standard free energy change for the reation is -31.5 k] . mol-1. a) Calculate the equilibrium constant for this reaction at 37°C. b) Would you expect this reaction to serve as a control point for its pathway (the citric acid cycle)?
Insert numbers from the answer list below into the paragraph's blanks to correct the statement. Acetyl-CoA...
Insert numbers from the answer list below into the paragraph's blanks to correct the statement. Acetyl-CoA carboxylasen (ACC) catalyzes the caboxylering of during the formation of The activity of ACC by phosphorylate due to hormonal signals and increase in cellular levels of The product of the ACC catalyzed reaction stimulates the synthesis and inhibits the oxidation of of (1) acetyl-CoA (2) ADP (3) AMP (4) ATP (5) CO2 (6) coenzym A (7) FADH2 (8 Fatty acids (9) Glucose (10) malonyl-CoA...
Question 1. Calculate the numbers of acetyl-CoA molecules produced when a fatty acid with 14 carbons after undergoing beta-oxidation? Question 2. How many a) cycles of beta-oxidation will a fatty acid with 14 carbons undergo? Explain briefly. b)? How many acetyl-CoA molecules ? explain briefly? Question 3. Consider the synthesis of fatty acids: Answer the flowing: True or False: a) CoA carries intermediate b) Acetyl-CoA donates two carbon atoms c) Malonyl-CoA donates two carbon atoms d) The reverse of fatty...
What is the fate of the acetyl CoA produced during beta oxidation? O It is sent to the electron transport chain for further processing. It is deaminated. o It enters glycolysis It enters the Kreb's cycle.
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...
1. In untreated Type 1 diabetes, the hepatocyte's citric acid cycle becomes overwhelmed with acetyl-CoA fr Map excessive fatty acid oxidation. Although the excess acetyl-CoA is not toxic, it must be diverted into the formation of ketone bodies: acetone, acetoacetate, and D-(hydroxybutyrate.
What problem would arise if the excess acetyl-CoA were not converted to ketone bodies?
How does the diversion to ketone bodies solve the problem?
The enzymes converting acetyl-CoA to acetoacetate liberate the CoA to be used in...
1. Assume that the following acyl-CoA is degraded by beta-oxidation, draw the intermediate (compound) structures during one cycle of beta-oxidation. Give the NADH or FADH2 where appropriate m ioco 2. Below is a part of fatty acid synthesis. Draw individual intermediates during the synthesis from acetyl-CoA to butyryl-CoA. Indicate where ATP or NADPH is used. is.com Escon - is.com
Acetyl-CoA labeled with C, as shown, can enter the citric acid cycle. Assuming all the acetyl-CoA enters the cycle... 1. What fraction of the label will be present in oxaloacetate at the end of one turn of the cycle? 14 2. Which carbons in the oxaloacetate formed by one turn of the cycle would contain the radioactive label? C4 C3 C2 Ci .What fraction of the original radiolabel present in the acetyl-CoA will be present in oxaloacetate at the end...
In the process of beta oxidation, what is the two carbon endproduct of one cycle? acetyl COA O phosphoenol pyruvate ethanol lactic acid
3. (10 pts) Citrate synthase catalyzes the reaction: Oxaloacetate + acetyl – COA → citrate + HS – COA The standard free energy change for the reation is -31.5 k] . mol-1. a) Calculate the equilibrium constant for this reaction at 37°C. b) Would you expect this reaction to serve as a control point for its pathway (the citric acid cycle)?
Insert numbers from the answer list below into the paragraph's blanks to correct the statement. Acetyl-CoA carboxylasen (ACC) catalyzes the caboxylering of during the formation of The activity of ACC by phosphorylate due to hormonal signals and increase in cellular levels of The product of the ACC catalyzed reaction stimulates the synthesis and inhibits the oxidation of of (1) acetyl-CoA (2) ADP (3) AMP (4) ATP (5) CO2 (6) coenzym A (7) FADH2 (8 Fatty acids (9) Glucose (10) malonyl-CoA...
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