Homework Answers
Option 5th is the correct answer.
For a reaction to occur spontaneously the standard free energy change value must be negative.
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Which one or more of the following reactions will NOT occur spontaneously under the standard conditions...
Calculate the equilibrium constant K'eq for each of the following reactions at pH 7.0 and 25 °C, using the AG'0...
Calculate the equilibrium constant K'eq for each of the following reactions at pH 7.0 and 25 °C, using the AG'0 values in the given Table. glucose 6-phosphatase (a) Glucose 6-phosphate + H20 glucose P B-galactosidase (b) Lactose + H20 glucose galactose fumarase fumarateH2O (c) Malate Standard Free-Energy Changes of Some Chemical Reactions AG Reaction type (kI/mol) (kcal/mol) Glycosides MaltoseH,0 Lactose+ H,0 2 glucose glucose +galactose 15.5 15.9 -3.7 -3.8 Rearrangements Glucose 1-phosphate glucose 6-phosphate Fructose 6-phosphate glucose 6-phosphate -7.3 -1.7...
Considering the energy changes associated with the individual reactions below, which reaction can be coupled with...
Considering the energy changes associated with the individual reactions below, which reaction can be coupled with the hydrolysis of ATP to generate a coupled reaction that is energetically favorable? Energy. change -7.3 kcal/mol ATP + H20 → ADP + HPO42- succinyl CoA + H20 → succinate + HSCOA + -9.4 HPO42- fructose 1,6-bisphosphate + H20 → fructose 6- kcal/mol -3.9 kcal/mol phosphate + HPO42- 1,3-bisphosphoglycerate + H2O → 3- phosphoglycerate + HPO42- -11.8 kcal/mol A) Succinate + HSCOA + HPO42-→...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2 fructose 6-phosphate + ATP – fructose 1,6-bisphosphate + ADP (AG = -3.4 kcal/mol) glucose 6-phosphate + ATP – fructose 6-phosphate + ADP (AG = +0.5 kcal/mol) GDP - Pi GTP + H2O QUESTION 17 Fate(s) of pyruvate is(are) Check all that apply. formation of ethyl alcohol by yeasts formation of glucose by gluconeogenesis in liver cells production of ketone bodies formation of lactate under...
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) SHOW WORK 12. During glycolysis, glucose 1-phosphate is converted to fructose 6-phosphate in two successive...
1) SHOW WORK
12. During glycolysis, glucose 1-phosphate is converted to fructose 6-phosphate in two successive reactions: glucose 1-phosphate → glucose 6-phosphate glucose 6-phosphate + fructose 6-phosphate AG'' = -7.1 kJ/mol AG'º = +1.7 kJ/mol 13. The standard free-energy changes for the reactions below are given. phosphocreatine → creatine + Pi ATP → ADP + Pi AG" = 43.0 kJ/mol AG" = -30.5 kJ/mol What is the overall AG' for the following reaction? Iw a dee Hydrolysis of 1 M...
In which of the following reactions does CO2 fixation occur Select one: a. Glyceraldehyde Phosphate +...
In which of the following reactions does CO2 fixation occur Select one: a. Glyceraldehyde Phosphate + NADH + ATP to Glucose b. Glyceraldehyde Phosphate + NADH + ATP to Ribulose Phosphate c. all of these d. Ribulose Biphosphate + CO2 to Glyceraldehyde Phosphate
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02...
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02 QUESTION 4 How many carbon atoms enter the citric acid cycle at a time? 2. 4 3 6 QUESTION 7 How many molecules of ATP (NET) are produced directly from the GLYCOLYSIS of 5 molecules of glucose? 5 12.5 10 QUESTION 8 Which of the following is(are) NOT found in the electron transport chain? O2 CO2 OH ions Fe ions QUESTION 9 Which letter...
Name: 4. Put the following reactions in the order they occur in elycolysis. Indicate reactions do...
Name: 4. Put the following reactions in the order they occur in elycolysis. Indicate reactions do not occur (exactly in reverse) in the gluconeogenic pathway and also which steps are likely to be catalyzed by a highly regulated enzyme. Also indicate which step would "back up" under anaerobic conditions if fermentation did not occur (16 pts) (a) Dehydration of 2-Phosphoglycerate to form PEP (b) Phosphorylation of Fructose-6-Phosphate to form Fructose-1,6-bis- Phosphate (c) 1,3-Phosphoglycerate reacts with ADP to generate ATP (d)...
16) In the reaction catalyzed by hexokinase, the two half reactions and their AGº values are...
16) In the reaction catalyzed by hexokinase, the two half reactions and their AGº values are as follows. ATP + H20 ADP + P; AG° = -31 kJ/mol Pi + glucose #glucose-6-P + H20 AG°' = +14 kJ/mol The AG°' for the conversion of glucose to glucose-6-P with ATP as the phosphoryl donor is A) -45 kJ/mol B) -17 kJ/mol C) 0 kJ/mol D) 45 kJ/mol E) 17 kJ/mol
24) What are the products of cyclic electron flow during the light reactions of photosynthesis? A)...
24) What are the products of cyclic electron flow during the light reactions of photosynthesis? A) hent and fluorescence B) ATP C) ATP and NADPH D) ADP and NADP+ 25) What is the relationship between the wavelength of light and the quantity of energy per photon? A) They have a direct, linear relationship. B) They are inversely related C) They are logarithmically related D) They are separate phenomena. OPEN QUESTIONS (VARIOUS POINT VALUES): 26) In the space below, draw an...
Calculate the equilibrium constant K'eq for each of the following reactions at pH 7.0 and 25 °C, using the AG'0 values in the given Table. glucose 6-phosphatase (a) Glucose 6-phosphate + H20 glucose P B-galactosidase (b) Lactose + H20 glucose galactose fumarase fumarateH2O (c) Malate Standard Free-Energy Changes of Some Chemical Reactions AG Reaction type (kI/mol) (kcal/mol) Glycosides MaltoseH,0 Lactose+ H,0 2 glucose glucose +galactose 15.5 15.9 -3.7 -3.8 Rearrangements Glucose 1-phosphate glucose 6-phosphate Fructose 6-phosphate glucose 6-phosphate -7.3 -1.7...
Considering the energy changes associated with the individual reactions below, which reaction can be coupled with the hydrolysis of ATP to generate a coupled reaction that is energetically favorable? Energy. change -7.3 kcal/mol ATP + H20 → ADP + HPO42- succinyl CoA + H20 → succinate + HSCOA + -9.4 HPO42- fructose 1,6-bisphosphate + H20 → fructose 6- kcal/mol -3.9 kcal/mol phosphate + HPO42- 1,3-bisphosphoglycerate + H2O → 3- phosphoglycerate + HPO42- -11.8 kcal/mol A) Succinate + HSCOA + HPO42-→...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2 fructose 6-phosphate + ATP – fructose 1,6-bisphosphate + ADP (AG = -3.4 kcal/mol) glucose 6-phosphate + ATP – fructose 6-phosphate + ADP (AG = +0.5 kcal/mol) GDP - Pi GTP + H2O QUESTION 17 Fate(s) of pyruvate is(are) Check all that apply. formation of ethyl alcohol by yeasts formation of glucose by gluconeogenesis in liver cells production of ketone bodies formation of lactate under...
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) SHOW WORK
12. During glycolysis, glucose 1-phosphate is converted to fructose 6-phosphate in two successive reactions: glucose 1-phosphate → glucose 6-phosphate glucose 6-phosphate + fructose 6-phosphate AG'' = -7.1 kJ/mol AG'º = +1.7 kJ/mol 13. The standard free-energy changes for the reactions below are given. phosphocreatine → creatine + Pi ATP → ADP + Pi AG" = 43.0 kJ/mol AG" = -30.5 kJ/mol What is the overall AG' for the following reaction? Iw a dee Hydrolysis of 1 M...
In which of the following reactions does CO2 fixation occur Select one: a. Glyceraldehyde Phosphate + NADH + ATP to Glucose b. Glyceraldehyde Phosphate + NADH + ATP to Ribulose Phosphate c. all of these d. Ribulose Biphosphate + CO2 to Glyceraldehyde Phosphate
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02 QUESTION 4 How many carbon atoms enter the citric acid cycle at a time? 2. 4 3 6 QUESTION 7 How many molecules of ATP (NET) are produced directly from the GLYCOLYSIS of 5 molecules of glucose? 5 12.5 10 QUESTION 8 Which of the following is(are) NOT found in the electron transport chain? O2 CO2 OH ions Fe ions QUESTION 9 Which letter...
Name: 4. Put the following reactions in the order they occur in elycolysis. Indicate reactions do not occur (exactly in reverse) in the gluconeogenic pathway and also which steps are likely to be catalyzed by a highly regulated enzyme. Also indicate which step would "back up" under anaerobic conditions if fermentation did not occur (16 pts) (a) Dehydration of 2-Phosphoglycerate to form PEP (b) Phosphorylation of Fructose-6-Phosphate to form Fructose-1,6-bis- Phosphate (c) 1,3-Phosphoglycerate reacts with ADP to generate ATP (d)...
16) In the reaction catalyzed by hexokinase, the two half reactions and their AGº values are as follows. ATP + H20 ADP + P; AG° = -31 kJ/mol Pi + glucose #glucose-6-P + H20 AG°' = +14 kJ/mol The AG°' for the conversion of glucose to glucose-6-P with ATP as the phosphoryl donor is A) -45 kJ/mol B) -17 kJ/mol C) 0 kJ/mol D) 45 kJ/mol E) 17 kJ/mol
24) What are the products of cyclic electron flow during the light reactions of photosynthesis? A) hent and fluorescence B) ATP C) ATP and NADPH D) ADP and NADP+ 25) What is the relationship between the wavelength of light and the quantity of energy per photon? A) They have a direct, linear relationship. B) They are inversely related C) They are logarithmically related D) They are separate phenomena. OPEN QUESTIONS (VARIOUS POINT VALUES): 26) In the space below, draw an...
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