Tautomerization of enolpyruvate to pyruvate occurs in step 10 of glycolysis. If DG°’ = -46 kJ/mol,...
Tautomerization of enolpyruvate to pyruvate occurs in step 10 of glycolysis. If DG°’ = -46 kJ/mol, what is the ratio of pyruvate to enolpyruvate at equilibrium?
Steady-State Concentrations of Glycolytic Metabolites in Erythrocytes
Metabolite mM
Glucose 5.0
Glucose-6-phosphate 0.083
Fructose-6-phosphate 0.014
Fructose-1,6-bisphosphate 0.031
Dihydroxyacetone phosphate 0.14
Glyceraldehyde-3-phosphate 0.019
1,3-Bisphosphoglycerate 0.001
3-Phosphoglycerate 0.12
2-Phosphoglycerate 0.030
Phosphoenolpyruvate 0.023
Pyruvate 0.051
Lactate 2.9
ATP 1.85
ADP 0.14
Pi 1.0
Homework Answers
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Tautomerization of enolpyruvate to pyruvate occurs in step 10 of
glycolysis. If DG°’ = -46 kJ/mol,...
To answer this question, you may reference the Metabolic Map. Select the steps of glycolysis in...
To answer this question, you may reference the Metabolic Map. Select the steps of glycolysis in which ATP is produced. glyceraldehyde 3-phosphate — 1,3-bisphosphoglycerate fructose 6-phosphate fructose 1,6-bisphosphate glucose + glucose 6-phosphate phosphoenolpyruvate - pyruvate 1,3-bisphosphoglycerate → 3-phosphoglycerate Suppose 19 glucose molecules enter glycolysis. Calculate the number of inorganic phosphate molecules required as well as the number of pyruvate molecules produced. pyruvate =
1. You have given all the enzymes and intermediates in glycolysis. Choose the right enzymes and...
1. You have given all the enzymes and intermediates in glycolysis. Choose the right enzymes and intermediates and draw the glycolytic pathway. Decorate the diagram by adding ATP, ADP, H", NADH, NAD', P, and H20 where necessary. All the steps are reversible except 1, 3 and 10; draw appropriate arrow. First arrange the reactants in the correct order. Reactants/intermediates: 3-phosphoglycerate glucose Phosphoenolpyruvate dihydroxyacetone phosphate Pyruvate glucose 6-phosphate 1,3-bisphosphoglycerate fructose 6-phosophate 2-phosphoglycerate glyceraldehyde 3-phosphate fructose 1,6-bisphosphate Enzymes: Phosphoglucoisomerase phosphoglycerate kinase phosphoglycerate...
Please fill in the EXACT boxes Black box means enzymes Red box means structures Dietary Fats...
Please fill in the EXACT boxes
Black box means enzymes
Red box means structures
Dietary Fats Glycerol Glucose Q1 HO Glucose 6-phosphate Fructose 6-phosphate HO- Fructose 1,6-bisphosphate Glyceraldehyde 3-phosphate Dihydroxyacetone phosphate P. NAD NADH Glyconeogenesis 1,3-bisphosphoglycerate 3-phosphoglycerate 2-phosphoglycerate HO- Phophoenolpyruvate GDP.COM GTP Oxaloacetate ATP, HCM pyruvate Lactate
Rank from the first to the last steps to describe the correct order of events of...
Rank from the first to the last steps to describe the
correct order of events of glycolysis.
Rank from the first to the last steps to describe the correct order of events of glycolysis. Reset Help Glyceraldehyde- 3-phosphate COOP 3-phosphoglycerate ooo ATP This reaction happens Glucose-6-phosphate OOOOOO Rearrangement P + ADP Glucose GOOOOO NAD* - Fructose-16-bisphosphate POOOOOO twice, once ADP for each glyceraldehyde- 3.phosphate bisphosphoglycerate OOOP + NADH Fructose-6-phosphate ССССССР 2-phosphoglycerate This GOO reaction happens Rearrangement twice, once Phosphoenolpyruvate for...
1. Diagram the process of sucrose breakdown into glucose and fructose and submit as an image. Use...
1. Diagram the process of sucrose breakdown into glucose and
fructose and submit as an image. Use Worksheet 7 to illustrate this
process (Show structures and enzymes. Include any key
intermediates).
2. Diagram the process of fructose is metabolized into
glycolysis in adipose tissue and submit as an image. Use Worksheet
7 to illustrate this process (Show structures and enzymes. Include
any key intermediates)
3. Diagram the process of fructose is metabolized into
glycolysis in liver tissue and submit as...
Which of the following glycolytic reactions constitutes a major thermodynamic driving force for glycolysis in vivo?...
Which of the following glycolytic reactions constitutes a major thermodynamic driving force for glycolysis in vivo? a. Phosphoenolpyruvate + ADP → pyruvate + ATP b. Dihydroxyacetone-PO4 → glyceraldehyde-PO4 c. Glyceraldehyde 3-PO4 + Pi + NAD+ → 1,3-bisphosphoglycerate + NADH + H+ d. 2-Phosphoglycerate → phosphoenolpyruvate + H2O e. Glucose 6-PO4 → fructose 6-PO4
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...
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...
Concentrations of some glycolysis intermediates in the red blood cell (mM): Glucose Glucose-6-P Fructose-6-P Fructose-1,6-BP 1,3-bisphosphoglycerate...
Concentrations of some glycolysis intermediates in the red blood cell (mM): Glucose Glucose-6-P Fructose-6-P Fructose-1,6-BP 1,3-bisphosphoglycerate 0.001 3-phosphoglycerate 5.0 0.083 0.014 0.031 2- phosphoglycerate Phosphoenolpyruvate Pyruvate ATP ADP Pi 0.030 0.023 0.051 1.85 0.14 1.0 0.12 3. Isotopic labeling (incorporating a rare isotope, eg. the radioactive 1C, into a molecule at a defined position) is an important technique for studying metabolism as it enables us to follow individual atoms through a metabolic pathway 2 a. If 4CO2 were bubbled through...
In order to determine if the patient with the blood results shown here could complete glycolysis,...
In order to determine if the patient with the blood results shown here could complete glycolysis, what substance would you test for in her blood? Blood Metabolic Panel Blood Glucose + Glucose-6-phosphate ++ Fructose-6-phosphate ++ Fructose-1,6,bisphosphate ++ Glyceraldehyde-3-phosphate ++ 1,3-bisphosphoglycerate ++ Phosphoenolpyruvate ++ Pyruvate - ATP - Red Blood Cell Concentration - A. Pyruvate B. Pyruvate kinase (enzyme that preceeds Puruvate)
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,...
To answer this question, you may reference the Metabolic Map. Select the steps of glycolysis in which ATP is produced. glyceraldehyde 3-phosphate — 1,3-bisphosphoglycerate fructose 6-phosphate fructose 1,6-bisphosphate glucose + glucose 6-phosphate phosphoenolpyruvate - pyruvate 1,3-bisphosphoglycerate → 3-phosphoglycerate Suppose 19 glucose molecules enter glycolysis. Calculate the number of inorganic phosphate molecules required as well as the number of pyruvate molecules produced. pyruvate =
1. You have given all the enzymes and intermediates in glycolysis. Choose the right enzymes and intermediates and draw the glycolytic pathway. Decorate the diagram by adding ATP, ADP, H", NADH, NAD', P, and H20 where necessary. All the steps are reversible except 1, 3 and 10; draw appropriate arrow. First arrange the reactants in the correct order. Reactants/intermediates: 3-phosphoglycerate glucose Phosphoenolpyruvate dihydroxyacetone phosphate Pyruvate glucose 6-phosphate 1,3-bisphosphoglycerate fructose 6-phosophate 2-phosphoglycerate glyceraldehyde 3-phosphate fructose 1,6-bisphosphate Enzymes: Phosphoglucoisomerase phosphoglycerate kinase phosphoglycerate...
Please fill in the EXACT boxes
Black box means enzymes
Red box means structures
Dietary Fats Glycerol Glucose Q1 HO Glucose 6-phosphate Fructose 6-phosphate HO- Fructose 1,6-bisphosphate Glyceraldehyde 3-phosphate Dihydroxyacetone phosphate P. NAD NADH Glyconeogenesis 1,3-bisphosphoglycerate 3-phosphoglycerate 2-phosphoglycerate HO- Phophoenolpyruvate GDP.COM GTP Oxaloacetate ATP, HCM pyruvate Lactate
Rank from the first to the last steps to describe the
correct order of events of glycolysis.
Rank from the first to the last steps to describe the correct order of events of glycolysis. Reset Help Glyceraldehyde- 3-phosphate COOP 3-phosphoglycerate ooo ATP This reaction happens Glucose-6-phosphate OOOOOO Rearrangement P + ADP Glucose GOOOOO NAD* - Fructose-16-bisphosphate POOOOOO twice, once ADP for each glyceraldehyde- 3.phosphate bisphosphoglycerate OOOP + NADH Fructose-6-phosphate ССССССР 2-phosphoglycerate This GOO reaction happens Rearrangement twice, once Phosphoenolpyruvate for...
1. Diagram the process of sucrose breakdown into glucose and
fructose and submit as an image. Use Worksheet 7 to illustrate this
process (Show structures and enzymes. Include any key
intermediates).
2. Diagram the process of fructose is metabolized into
glycolysis in adipose tissue and submit as an image. Use Worksheet
7 to illustrate this process (Show structures and enzymes. Include
any key intermediates)
3. Diagram the process of fructose is metabolized into
glycolysis in liver tissue and submit as...
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...
Concentrations of some glycolysis intermediates in the red blood cell (mM): Glucose Glucose-6-P Fructose-6-P Fructose-1,6-BP 1,3-bisphosphoglycerate 0.001 3-phosphoglycerate 5.0 0.083 0.014 0.031 2- phosphoglycerate Phosphoenolpyruvate Pyruvate ATP ADP Pi 0.030 0.023 0.051 1.85 0.14 1.0 0.12 3. Isotopic labeling (incorporating a rare isotope, eg. the radioactive 1C, into a molecule at a defined position) is an important technique for studying metabolism as it enables us to follow individual atoms through a metabolic pathway 2 a. If 4CO2 were bubbled through...
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,...
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