If glucose is labelled at carbon 3, which carbon of glyceraldehyde -3-phosphate would be labelled? a....
If glucose is labelled at carbon 3, which carbon of glyceraldehyde -3-phosphate would be labelled? a. 1b. 2c. 3d. 4e. it wouldnt
6. If glucose is labelled at carbon 6, which carbon of lactate could be labelled? a. 1 b. 2 c. 3 d. 4 e. it wouldnt
Please show how you go about it. TY in advance
7. How many net ATP’s is the following set of reactions worth? a glucose is made into GLYCOGEN then phosphorylysed off the glycogen and made into two pyruvates
a. 1 b. 2 c. 3 d. 4 e. 0 (or negative value
Homework Answers
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If glucose is labelled at carbon 3, which carbon of
glyceraldehyde -3-phosphate would be labelled? a....
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7...
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7 3-phosphoglycerate 2-phosphoglycerate 9 phosphoenolpyruvate 10 Lactate Pyruvate Which two reactions of glycolysis requires an investment of ATP energy, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which two reactions of glycolysis generate energy in the form of ATP, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which glycolytic reaction generates energy in the form of NADH,...
For each unbalanced reaction, “x” whether the reactant is being oxidized or reduced. (a) glyceraldehyde-3 –phosphate...
For each unbalanced reaction, “x” whether the reactant is being oxidized or reduced. (a) glyceraldehyde-3 –phosphate 1,3-bisphosphoglycerate __________ __________ (c) Pyruvate Lactate __________ __________ (d) Glucose-6-phosphate -phosphoglucono-δ-lactone __________ __________
In glycolysis, how is glyceraldehyde 3 phosphate converted to 1,3 bisphosphoglycerate? Pils used to provide phosphate...
In glycolysis, how is glyceraldehyde 3 phosphate converted to 1,3 bisphosphoglycerate? Pils used to provide phosphate ATP is used to provide phosphate Phosphate is transferred from fructose 2,6 bisphosphate NADPH provides the phosphate This reaction does not occur in glycolysis, the question is invalid D Question 8 During anaerobic conditions ... (Select all that apply) Glycolysis risks failing due to lack of a key metabolite. NADH is consumed. Lactate dehydrogenase ceases to function. Pyruvate Dehydrogenase Accelerates. Question 9 Given the...
5. How many net ATPS may be made from a glucose-6-phosphate directly in glycolysis? а. 1...
5. How many net ATPS may be made from a glucose-6-phosphate directly in glycolysis? а. 1 b. 2 с. 3 d. 4 е. 6 1. How many net ATP are involved in glycolysis of one glucose completely to pyruvates then the gluconeogenesis of those pyruvates back to glucose? a. +2 b. -2 c. -4 d. -6 e. +4 7. How many net ATP are involved in glycolysis of one glucose completely to two PEP then the gluconeogenesis of those PEP...
35) The overall reaction of glyceraldehyde 3-phosphate dehydrogenase (GAP glyceraldehyde 3-phosphate + NAD+ + P =...
35) The overall reaction of glyceraldehyde 3-phosphate dehydrogenase (GAP glyceraldehyde 3-phosphate + NAD+ + P = 1,3-bisphosphoglycerate + NADH GAPDH couples together two reactions with favorable (AG'°-50 kj/mol) and unfavorable (AG' +50 kJ/mol) Gibbs free energies, respectively. a) (6 pts) Write the balanced chemical equations for the two separate reactions. b) (6 pts) Draw the structure of the thiohemiacetal intermediate and show the mechanism for generating the acyl thioester intermediate. 36) (4 pts) Under anaerobic conditions, lactic acid fermentation regenerates...
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
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...
In chloroplasts, glyceraldehyde 3-phosphate dehydrogenase uses NADPH as a cofactor in the synthesis of glucose. In...
In chloroplasts, glyceraldehyde 3-phosphate dehydrogenase uses NADPH as a cofactor in the synthesis of glucose. In cytoplasmic gluconeogenesis, however, the isozyme of this dehydrogenase uses NADH. Why is it advantageous for the enzyme in the chloroplast to use NADPH? : NADPH is abundant in chloroplasts, because it is generated by the light reactions. NADPH provides more reducing power than NADH in cells. NADPH is harmful to chloroplasts when levels become too high. The presence of NADH increases the rate of...
12/25 answered Click on glycolysis if would like to review it in details. Glucose Preparatory phase...
12/25 answered Click on glycolysis if would like to review it in details. Glucose Preparatory phase first ATP Phosphorylation of glucos and its conversion to glyceraldehyde 3-phosphat Priming © > ADP Glucose 6-phosphate 1-0 Hz Hexokinase ΝΟΗ Η e Phosphohexose isomerase Fructose 6-phosphate ATP (8 Phospho- fructokinase-1 primins и он -OCH, CH-OH HOH он и ©--CH, CH-0- Кинон Aldolase ADP Fructose 1,6-bisphosphate (6) Triose phosphate somerase eleava oferte suar phosphate to two carbon sur phosphate Glyceraldehyde 3-phosphate udehyde a phosphate...
Glyceraldehyde-3-phosphate dehydrogenase catalyzes the phosphorylation of glyceraldehyde-3-phosphate, but unlike other glycolytic reactions, it does not require...
Glyceraldehyde-3-phosphate dehydrogenase catalyzes the phosphorylation of glyceraldehyde-3-phosphate, but unlike other glycolytic reactions, it does not require energy investment from ATP. This reaction occurs in two stages: oxidation/reduction and phosphorylation. Why is the oxidation/reduction reaction necessary to make phosphorylation favorable? Choose one: A. The oxidation/reduction reaction is necessary to oxidize phosphate, allowing addition to the substrate. B. The oxidation/reduction reaction is necessary to form an intermediate with a large free energy of hydrolysis. C. The oxidation/reduction reaction is necessary to produce...
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7 3-phosphoglycerate 2-phosphoglycerate 9 phosphoenolpyruvate 10 Lactate Pyruvate Which two reactions of glycolysis requires an investment of ATP energy, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which two reactions of glycolysis generate energy in the form of ATP, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which glycolytic reaction generates energy in the form of NADH,...
In glycolysis, how is glyceraldehyde 3 phosphate converted to 1,3 bisphosphoglycerate? Pils used to provide phosphate ATP is used to provide phosphate Phosphate is transferred from fructose 2,6 bisphosphate NADPH provides the phosphate This reaction does not occur in glycolysis, the question is invalid D Question 8 During anaerobic conditions ... (Select all that apply) Glycolysis risks failing due to lack of a key metabolite. NADH is consumed. Lactate dehydrogenase ceases to function. Pyruvate Dehydrogenase Accelerates. Question 9 Given the...
5. How many net ATPS may be made from a glucose-6-phosphate directly in glycolysis? а. 1 b. 2 с. 3 d. 4 е. 6 1. How many net ATP are involved in glycolysis of one glucose completely to pyruvates then the gluconeogenesis of those pyruvates back to glucose? a. +2 b. -2 c. -4 d. -6 e. +4 7. How many net ATP are involved in glycolysis of one glucose completely to two PEP then the gluconeogenesis of those PEP...
35) The overall reaction of glyceraldehyde 3-phosphate dehydrogenase (GAP glyceraldehyde 3-phosphate + NAD+ + P = 1,3-bisphosphoglycerate + NADH GAPDH couples together two reactions with favorable (AG'°-50 kj/mol) and unfavorable (AG' +50 kJ/mol) Gibbs free energies, respectively. a) (6 pts) Write the balanced chemical equations for the two separate reactions. b) (6 pts) Draw the structure of the thiohemiacetal intermediate and show the mechanism for generating the acyl thioester intermediate. 36) (4 pts) Under anaerobic conditions, lactic acid fermentation regenerates...
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
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3.
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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...
12/25 answered Click on glycolysis if would like to review it in details. Glucose Preparatory phase first ATP Phosphorylation of glucos and its conversion to glyceraldehyde 3-phosphat Priming © > ADP Glucose 6-phosphate 1-0 Hz Hexokinase ΝΟΗ Η e Phosphohexose isomerase Fructose 6-phosphate ATP (8 Phospho- fructokinase-1 primins и он -OCH, CH-OH HOH он и ©--CH, CH-0- Кинон Aldolase ADP Fructose 1,6-bisphosphate (6) Triose phosphate somerase eleava oferte suar phosphate to two carbon sur phosphate Glyceraldehyde 3-phosphate udehyde a phosphate...
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