Homework Answers
For energetically favour reaction energy change on coupling should be negative .
A ) reversing reaction ( 2 ) and adding with first reaction
Energy change = —7.3 + 9.4 = 2.1 Kcal / mol ( unfavourable )
B )reversing reaction ( 3) and adding with first reaction
Energy change = —7.3 + 3.9 = — 3.4 Kcal / mol (favourable )
C ) reversing reaction ( 4) and adding with first reaction
Energy change = —7.3 + 11.8 = 4.5 Kcal / mol ( unfavourable )
So correct answer is option ( B )
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Considering the energy changes associated with the individual reactions below, which reaction can be coupled with...
Part A For the following gluconeogenesis reactions, select all of the coupled reactions. NOTE: Pi stands...
Part A For the following gluconeogenesis reactions, select all of the coupled reactions. NOTE: Pi stands for phosphate. o phosphoenolpyruvate + H20 = 2-phosphoglycerate 0 3-phosphoglycerate + ATP = 1,3-bisphosphoglycerate + ADP o pyruvate + HCO3 + ATP = oxaloacetate + ADP + Pi o fructose-6-phosphate = glucose-6-phosphate
Determine the direction the following reactions will progress. Assume that the reactants and products are present...
Determine the direction the following reactions will progress. Assume that the reactants and products are present in equimolar amounts. Note that the standard free energy of hydrolysis of ATP is - 30.5 kJ/mol. Click each box to toggle between arrows. Fructose + ATP fructose - 6 - phosphate + ADP (The standard free energy of hydrolysis for fructose-6-phosphate is - 15.9 kJ/mol.) 3 - phosphoglycerate + ATP 1,3 - bisphosphoglycerate + ADP (The standard free energy of hydrolysis for 1,3-bisphosphoglycerate...
32. The gluconeogenic precursor thereby generated is alpha-ketoglutarate. The pathway e pathway by which it can...
32. The gluconeogenic precursor thereby generated is alpha-ketoglutarate. The pathway e pathway by which it can be converted to glucose is: Enzyme alpha-ketoglutarate dehydrogenase succinyl-CoA synthetase succinate dehydrogenase Product succinate L-malate malate dehydrogenase phosphoenolpyruvate 3-phosphoglycerate glyceraldehyde-3-phosphate 0 enolase phosphoglycerate mutase phosphoglycerate kinase triose phosphate isomerase fructose-1,6-bisphosphate ctose bisphosphatase glucose-6-phosphate glucose-6-phosphatase
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...
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2.
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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...
Glycolysis is the process by which energy is harvested from glucose by living things. Several of...
Glycolysis is the process by which energy is harvested from glucose by living things. Several of the reactions of glycolysis are thermodynamically unfavorable (nonspontaneous), but proceed when they are coupled with other reactions. Reaction A: P + glucose glucose-6-phosphate +HO AG13.8 kJ/mol Reaction B: P fructose-6-phosphate + fructose-1,6-bisphosphate +1,0 AG 16.3 kJ/mol Reaction C: ATP+H, ADP +P, AG - 30.5 kJ/mol Select every unfavorable reaction. reaction B reaction C reaction A Select every set of coupled reactions where the overall...
vou 15 watch the video Chapter 11 - Earyme Classification Worksheet 1 Enurymes are classified by...
vou 15 watch the video Chapter 11 - Earyme Classification Worksheet 1 Enurymes are classified by reaction type as follows: TALE E Classical Classification 1. Owideductase 2. Transferases 3. Hydrolases 4. lyases 6. Ligas hydrolysis SO 70 Using your previous knowledge in organic chemistry, match the following reactions with their corresponding classification. Reaction 1: Reaction 2: Dihydroxyacetone OO phosphate (DHAP нсон + ADP CHOP: CH,OPO) CHOPO" HOCH 1,3-Bisphosphoglycerate (1,3 BPG) HOSH aldelas N-S-OH phosphoglycerate My! Ho kinase (PGK) A -H...
please calculate and show work 10. Metabolism. Which of the following reactions is favorable under standard-state...
please calculate and show work
10. Metabolism. Which of the following reactions is favorable under standard-state conditions (1 M reactants and products; pH = 7)? Calculate the value of AGⓇ for each phosphate transfer reaction. A) ATP + pyruvate ---> phosphoenolpyruvate + ADP B) 3-phosphoglycerate + ATP ---> 1,3-bisphosphoglycerate + ADP C) 1,3-bisphosphoglycerate + creatine ---> creatine phosphate + 3-phosphoglycerate D) glucose 6-phosphate --> glucose 1-phosphate not favorable noer standard
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,...
3. From data in the table below calculate the AG for each of the following reactions....
3. From data in the table below calculate the AG for each of the following reactions. Show all your work and calculations. (4 points) Phosphoenolpyruvate ADP Pyruvate ATP A) ATP3-Phosphoglycerate ADP 1,3-Biphosphoglycerate B) Standard Free Energies of Hydrolysis of Some Phosphorylated Compounds and Acetyl-CoA (a Thioester) AG (keal/mol) Phosphoenolpyruvate 13-Bisphosphoglycerate (3-phosphoglycerate+ P Phosphocreatine ADP (AMP+ P) ATP (ADP+P ATP (AMP+PP) -14.8 -11.8 -10.3 -7.8 -7.3 -10.9 AMP ( adenosine + P) PP,(2P Glucose 3-phosphate -3.4 -4.0 -6.0 Fructose 6-phosphate Glucose...
please help! thanks TABLE 12-4 Standard Free Energy Change for Phosphate Hydrolysis Compound AGⓇ' (kJ. mol-')...
please help! thanks
TABLE 12-4 Standard Free Energy Change for Phosphate Hydrolysis Compound AGⓇ' (kJ. mol-') Phosphoenolpyruvate -61.9 1,3-Bisphosphoglycerate -49.4 ATP → AMP + PP, -45.6 Phosphocreatine -43.1 ATP ADP + P -30.5 Glucose-1-phosphate -20.9 PP, 2P, -19.2 Glucose-6-phosphate -13.8 Glycerol-3-phosphate -9.2 thioester bond AGⓇ' = -31.5 kJ•mol-1 H20 O CH3 -C-s-CoA I CH3 -C-0- + COA-SH Acetyl-CoA The formation of acetyl CoA from acetate is an ATP driven reaction: Acetate + ATP + COA <--> acetyl COA + AMP...
Part A For the following gluconeogenesis reactions, select all of the coupled reactions. NOTE: Pi stands for phosphate. o phosphoenolpyruvate + H20 = 2-phosphoglycerate 0 3-phosphoglycerate + ATP = 1,3-bisphosphoglycerate + ADP o pyruvate + HCO3 + ATP = oxaloacetate + ADP + Pi o fructose-6-phosphate = glucose-6-phosphate
Determine the direction the following reactions will progress. Assume that the reactants and products are present in equimolar amounts. Note that the standard free energy of hydrolysis of ATP is - 30.5 kJ/mol. Click each box to toggle between arrows. Fructose + ATP fructose - 6 - phosphate + ADP (The standard free energy of hydrolysis for fructose-6-phosphate is - 15.9 kJ/mol.) 3 - phosphoglycerate + ATP 1,3 - bisphosphoglycerate + ADP (The standard free energy of hydrolysis for 1,3-bisphosphoglycerate...
32. The gluconeogenic precursor thereby generated is alpha-ketoglutarate. The pathway e pathway by which it can be converted to glucose is: Enzyme alpha-ketoglutarate dehydrogenase succinyl-CoA synthetase succinate dehydrogenase Product succinate L-malate malate dehydrogenase phosphoenolpyruvate 3-phosphoglycerate glyceraldehyde-3-phosphate 0 enolase phosphoglycerate mutase phosphoglycerate kinase triose phosphate isomerase fructose-1,6-bisphosphate ctose bisphosphatase glucose-6-phosphate glucose-6-phosphatase
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...
Glycolysis is the process by which energy is harvested from glucose by living things. Several of the reactions of glycolysis are thermodynamically unfavorable (nonspontaneous), but proceed when they are coupled with other reactions. Reaction A: P + glucose glucose-6-phosphate +HO AG13.8 kJ/mol Reaction B: P fructose-6-phosphate + fructose-1,6-bisphosphate +1,0 AG 16.3 kJ/mol Reaction C: ATP+H, ADP +P, AG - 30.5 kJ/mol Select every unfavorable reaction. reaction B reaction C reaction A Select every set of coupled reactions where the overall...
vou 15 watch the video Chapter 11 - Earyme Classification Worksheet 1 Enurymes are classified by reaction type as follows: TALE E Classical Classification 1. Owideductase 2. Transferases 3. Hydrolases 4. lyases 6. Ligas hydrolysis SO 70 Using your previous knowledge in organic chemistry, match the following reactions with their corresponding classification. Reaction 1: Reaction 2: Dihydroxyacetone OO phosphate (DHAP нсон + ADP CHOP: CH,OPO) CHOPO" HOCH 1,3-Bisphosphoglycerate (1,3 BPG) HOSH aldelas N-S-OH phosphoglycerate My! Ho kinase (PGK) A -H...
please calculate and show work
10. Metabolism. Which of the following reactions is favorable under standard-state conditions (1 M reactants and products; pH = 7)? Calculate the value of AGⓇ for each phosphate transfer reaction. A) ATP + pyruvate ---> phosphoenolpyruvate + ADP B) 3-phosphoglycerate + ATP ---> 1,3-bisphosphoglycerate + ADP C) 1,3-bisphosphoglycerate + creatine ---> creatine phosphate + 3-phosphoglycerate D) glucose 6-phosphate --> glucose 1-phosphate not favorable noer standard
3. From data in the table below calculate the AG for each of the following reactions. Show all your work and calculations. (4 points) Phosphoenolpyruvate ADP Pyruvate ATP A) ATP3-Phosphoglycerate ADP 1,3-Biphosphoglycerate B) Standard Free Energies of Hydrolysis of Some Phosphorylated Compounds and Acetyl-CoA (a Thioester) AG (keal/mol) Phosphoenolpyruvate 13-Bisphosphoglycerate (3-phosphoglycerate+ P Phosphocreatine ADP (AMP+ P) ATP (ADP+P ATP (AMP+PP) -14.8 -11.8 -10.3 -7.8 -7.3 -10.9 AMP ( adenosine + P) PP,(2P Glucose 3-phosphate -3.4 -4.0 -6.0 Fructose 6-phosphate Glucose...
please help! thanks
TABLE 12-4 Standard Free Energy Change for Phosphate Hydrolysis Compound AGⓇ' (kJ. mol-') Phosphoenolpyruvate -61.9 1,3-Bisphosphoglycerate -49.4 ATP → AMP + PP, -45.6 Phosphocreatine -43.1 ATP ADP + P -30.5 Glucose-1-phosphate -20.9 PP, 2P, -19.2 Glucose-6-phosphate -13.8 Glycerol-3-phosphate -9.2 thioester bond AGⓇ' = -31.5 kJ•mol-1 H20 O CH3 -C-s-CoA I CH3 -C-0- + COA-SH Acetyl-CoA The formation of acetyl CoA from acetate is an ATP driven reaction: Acetate + ATP + COA <--> acetyl COA + AMP...
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