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4. (6 points) a. Draw the product(s) of an aldol cleavage carried out on glucose-6-phosphate. (This...
14. The second step of glycolysis is the following reaction: Glucose-6-phosphate = Fructose-6-phosphate At pH 7...
14. The second step of glycolysis is the following reaction: Glucose-6-phosphate = Fructose-6-phosphate At pH 7 and 25 °C, IM of G6P and F6P will equilibrate to [F6P]/[G6P] = 2.43. R, the molar gas constant, is 8.3145 Jmol'K'. A) What is the standard free energy of this reaction at pH 7 and 25 °C? (2 points) B) In the cell the overall AG is -1400 Jmol"!. Calculate the ratio of products to reactants. (2 points)
5. Glycolysis a. The hydroxyl group on the sixth carbon on a glucose molecule is radiolabeled...
5. Glycolysis a. The hydroxyl group on the sixth carbon on a glucose molecule is radiolabeled using O. Please draw out the pathway showing where this radiolabel is in each step of the pathway, b. In glycolysis, ATP molecules are produced. Please write out the reactions that utilize ATP as well as the ones that create ATP, and explain how many molecules of ATP are made in glycolysis. c. A reaction is set up with 3-phosphoglycerate, where the phosphate atom...
4. In the following reaction the aldol product C is difficult to isolate, and even without...
4. In the following reaction the aldol product C is difficult to isolate, and even without heating the dehydration product D is formed instead. Explain. ОН н NaOH Н Н.о н С 5. Draw all possible aldol products from this mixed aldol reaction (not dehydrated). NaOH + Н.о H 6. Give the major organic product from each mixed aldol reaction. Then explain why the reaction conditions favor one product instead of generating a mixture of products. NaOH a. Но Н...
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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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...
6. Give the major organic product from each mixed aldol reaction. Then explain why there conditions...
6. Give the major organic product from each mixed aldol reaction. Then explain why there conditions favor one product instead of generating a mixture of products. NaOH HO H CCI, NaOH HO a. LDA ht 7. Give the curved arrow mechanism for this reaction. he NaOH, H2O heat halla Τ Η 3. Give the major organic aldol product for each reaction, along with the dehydration product possible) formed after heating. NaOH heat H2O heat NaOH H2O ix heat NaOH HO
6. Give the major organic product from each mixed aldol reaction. Then explain why the reaction...
6. Give the major organic product from each mixed aldol reaction. Then explain why the reaction conditions favor one product instead of generating a mixture of products. NaOH a. + Н,о "СС, NaOH b. Н.о a. LDA c. b. О H н 7. Give the curved arrow mechanism for this reaction. NaOH, H,O Н heat
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...
1) Give the product of the two reactions shown. КОН xs Br2 can form. 2) Draw...
1) Give the product of the two reactions shown. КОН xs Br2 can form. 2) Draw the arrows for this enolization mechanism and explain why the enolate anion can سلسل • -- Why can the enolate anion form? 3) Fill in the arrows for the alkylation mechanism below. Explain why the enolate anion 1) KOH late anion can form OH : -Br Why can the enolate ion form? 4) Give the product of the following reaction. NaOEt CH3Br H30 5)...
Question 6 2 pts Fructose 1,6-P2 aldolase functions in both glycolysis and gluconeogenesis. Starting with DHAP...
Question 6 2 pts Fructose 1,6-P2 aldolase functions in both glycolysis and gluconeogenesis. Starting with DHAP in Schiff base linkage with the active site lysine of aldolase, show how that intermediate reacts with G 3-P to form fructose 1,6-P2 in Schiff base linkage at the active site. Use B: and HA as necessary. Make sure that you indicate mechanism with curly arrows, and draw each step out, but don't go all the way to the end of the reaction where...
Glucose-6- chosohate S! After the glucose ring opens, an isomerization occurs to convert the aldo...
Glucose-6- chosohate S! After the glucose ring opens, an isomerization occurs to convert the aldohexose (1) into a ketohexose (3) via the enediol intermediate shown (2). Show "arrow pushes on structure (1) which will which convert it to structure (2),a show "arrow pushes" on structure (2) which will convert it to structure (3). (Use "B:" to deprotonate and "H-B" to protonate) о-н H-I Ho- 4 t-1 t o-H CI) 9a. The key step in the catabolism of glucose is a...
14. The second step of glycolysis is the following reaction: Glucose-6-phosphate = Fructose-6-phosphate At pH 7 and 25 °C, IM of G6P and F6P will equilibrate to [F6P]/[G6P] = 2.43. R, the molar gas constant, is 8.3145 Jmol'K'. A) What is the standard free energy of this reaction at pH 7 and 25 °C? (2 points) B) In the cell the overall AG is -1400 Jmol"!. Calculate the ratio of products to reactants. (2 points)
5. Glycolysis a. The hydroxyl group on the sixth carbon on a glucose molecule is radiolabeled using O. Please draw out the pathway showing where this radiolabel is in each step of the pathway, b. In glycolysis, ATP molecules are produced. Please write out the reactions that utilize ATP as well as the ones that create ATP, and explain how many molecules of ATP are made in glycolysis. c. A reaction is set up with 3-phosphoglycerate, where the phosphate atom...
4. In the following reaction the aldol product C is difficult to isolate, and even without heating the dehydration product D is formed instead. Explain. ОН н NaOH Н Н.о н С 5. Draw all possible aldol products from this mixed aldol reaction (not dehydrated). NaOH + Н.о H 6. Give the major organic product from each mixed aldol reaction. Then explain why the reaction conditions favor one product instead of generating a mixture of products. NaOH a. Но Н...
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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...
6. Give the major organic product from each mixed aldol reaction. Then explain why there conditions favor one product instead of generating a mixture of products. NaOH HO H CCI, NaOH HO a. LDA ht 7. Give the curved arrow mechanism for this reaction. he NaOH, H2O heat halla Τ Η 3. Give the major organic aldol product for each reaction, along with the dehydration product possible) formed after heating. NaOH heat H2O heat NaOH H2O ix heat NaOH HO
6. Give the major organic product from each mixed aldol reaction. Then explain why the reaction conditions favor one product instead of generating a mixture of products. NaOH a. + Н,о "СС, NaOH b. Н.о a. LDA c. b. О H н 7. Give the curved arrow mechanism for this reaction. NaOH, H,O Н heat
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...
1) Give the product of the two reactions shown. КОН xs Br2 can form. 2) Draw the arrows for this enolization mechanism and explain why the enolate anion can سلسل • -- Why can the enolate anion form? 3) Fill in the arrows for the alkylation mechanism below. Explain why the enolate anion 1) KOH late anion can form OH : -Br Why can the enolate ion form? 4) Give the product of the following reaction. NaOEt CH3Br H30 5)...
Question 6 2 pts Fructose 1,6-P2 aldolase functions in both glycolysis and gluconeogenesis. Starting with DHAP in Schiff base linkage with the active site lysine of aldolase, show how that intermediate reacts with G 3-P to form fructose 1,6-P2 in Schiff base linkage at the active site. Use B: and HA as necessary. Make sure that you indicate mechanism with curly arrows, and draw each step out, but don't go all the way to the end of the reaction where...
Glucose-6- chosohate S! After the glucose ring opens, an isomerization occurs to convert the aldohexose (1) into a ketohexose (3) via the enediol intermediate shown (2). Show "arrow pushes on structure (1) which will which convert it to structure (2),a show "arrow pushes" on structure (2) which will convert it to structure (3). (Use "B:" to deprotonate and "H-B" to protonate) о-н H-I Ho- 4 t-1 t o-H CI) 9a. The key step in the catabolism of glucose is a...
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