The balanced biochemical equations for all the reactions in the process of conversion of glyceraldehyde 3-phosphate into pyruvate, with the standard free energy change for each reaction. Introduction: The payoff phase of glycolysis includes the steps of energy conserving phosphorylation in which some of the chemical energy present inside the glucose molecule is conserved in the form of ATP and NADH.

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Answer 1

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Chapter 14, Problem 2P

Summary Introduction

To determine: The balanced biochemical equations for all the reactions in the process of conversion of glyceraldehyde 3-phosphate into pyruvate, with the standard free energy change for each reaction.

Introduction:

The payoff phase of glycolysis includes the steps of energy conserving phosphorylation in which some of the chemical energy present inside the glucose molecule is conserved in the form of ATP and NADH.

Summary Introduction

To determine: The overall or net equation for the payoff phase of glycolysis, including the net standard free-energy change.

Introduction:

The conversion of two molecules of pyruvate is accompanied by the formation of 4 ATP from ADP. However, the net yield of ATP per molecule of glucose degraded into two because the other two were invested in the preparatory phase of glycolysis.

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The standard cost of Product B manufactured by Oriole Company includes 3.5 units of direct materials at $5.40 per unit. During June, 27,300 units of direct materials are purchased at a cost of $5.15 per unit, and 27,300 units of direct materials are used to produce 7,600 units of Product B. (a) Compute the total materials variance and the price and quantity variances. Total materials variance Materials price variance Materials quantity variance $ (b) Compute the total materials variance and the price and quantity variances, assuming the purchase price is $6.35 and the quantity purchased and used is 26,300 units. Total materials variance Materials price variance Materials quantity variance $

The pyruvate dehydrogenase complex catalyzes the oxidative decarboxylation of pyruvate to form acetyl CoA. E₁, E2, and E3 are abbreviations for the enzymes of the complex. Classify the enzyme names, prosthetic groups, and reactions as E1, E2, or E3. E₁ E2 Answer Bank E3 transfer of electrons to FAD and then to NAD+ transfer of acetyl group to coenzyme A formation of hydroxyethyl-TPP hydroxyethyl group transferred to lipoamide thiamine pyrophosphate (TPP) FAD lipoamide dihydrolipoyl transacetylase pyruvate dehydrogenase dihydrolipoyl dehydrogenase

Patients with pyruvate dehydrogenase deficiency show high levels of lactic acid in the blood. However, in some cases, treatment with dichloroacetate (DCA), which inhibits the kinase associated with the pyruvate dehydrogenase complex, lowers lactic acid levels. How does DCA act to stimulate pyruvate dehydrogenase activity? DCA activates pyruvate dehydrogenase kinase. DCA increases phosphorylation levels of pyruvate dehydrogenase. DCA inhibits pyruvate dehydrogenase kinase. ODCA activates pyruvate dehydrogenase phosphatase. What does this suggest about pyruvate dehydrogenase activity in patients who respond to DCA? The pyruvate dehydrogenase complex is active only when phosphorylated by the kinase. The pyruvate dehydrogenase complex is active only in the presence of the kinase. The pyruvate dehydrogenase complex is completely inactive. The pyruvate dehydrogenase complex displays some residual activity.

Answer 2

Question

Chapter 14, Problem 2P

Summary Introduction

To determine: The balanced biochemical equations for all the reactions in the process of conversion of glyceraldehyde 3-phosphate into pyruvate, with the standard free energy change for each reaction.

Introduction:

The payoff phase of glycolysis includes the steps of energy conserving phosphorylation in which some of the chemical energy present inside the glucose molecule is conserved in the form of ATP and NADH.

Summary Introduction

To determine: The overall or net equation for the payoff phase of glycolysis, including the net standard free-energy change.

Introduction:

The conversion of two molecules of pyruvate is accompanied by the formation of 4 ATP from ADP. However, the net yield of ATP per molecule of glucose degraded into two because the other two were invested in the preparatory phase of glycolysis.

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Answer 3

Question

Chapter 14, Problem 2P

Summary Introduction

To determine: The balanced biochemical equations for all the reactions in the process of conversion of glyceraldehyde 3-phosphate into pyruvate, with the standard free energy change for each reaction.

Introduction:

The payoff phase of glycolysis includes the steps of energy conserving phosphorylation in which some of the chemical energy present inside the glucose molecule is conserved in the form of ATP and NADH.

Summary Introduction

To determine: The overall or net equation for the payoff phase of glycolysis, including the net standard free-energy change.

Introduction:

The conversion of two molecules of pyruvate is accompanied by the formation of 4 ATP from ADP. However, the net yield of ATP per molecule of glucose degraded into two because the other two were invested in the preparatory phase of glycolysis.

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Answer 4

Question

Chapter 14, Problem 2P

Summary Introduction

To determine: The balanced biochemical equations for all the reactions in the process of conversion of glyceraldehyde 3-phosphate into pyruvate, with the standard free energy change for each reaction.

Introduction:

The payoff phase of glycolysis includes the steps of energy conserving phosphorylation in which some of the chemical energy present inside the glucose molecule is conserved in the form of ATP and NADH.

Summary Introduction

To determine: The overall or net equation for the payoff phase of glycolysis, including the net standard free-energy change.

Introduction:

The conversion of two molecules of pyruvate is accompanied by the formation of 4 ATP from ADP. However, the net yield of ATP per molecule of glucose degraded into two because the other two were invested in the preparatory phase of glycolysis.

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Answer 5

Chapter 14, Problem 2P

Summary Introduction

To determine: The balanced biochemical equations for all the reactions in the process of conversion of glyceraldehyde 3-phosphate into pyruvate, with the standard free energy change for each reaction.

Introduction:

The payoff phase of glycolysis includes the steps of energy conserving phosphorylation in which some of the chemical energy present inside the glucose molecule is conserved in the form of ATP and NADH.

Summary Introduction

To determine: The overall or net equation for the payoff phase of glycolysis, including the net standard free-energy change.

Introduction:

The conversion of two molecules of pyruvate is accompanied by the formation of 4 ATP from ADP. However, the net yield of ATP per molecule of glucose degraded into two because the other two were invested in the preparatory phase of glycolysis.

Answer 6

Chapter 14, Problem 2P

Summary Introduction

To determine: The balanced biochemical equations for all the reactions in the process of conversion of glyceraldehyde 3-phosphate into pyruvate, with the standard free energy change for each reaction.

Introduction:

The payoff phase of glycolysis includes the steps of energy conserving phosphorylation in which some of the chemical energy present inside the glucose molecule is conserved in the form of ATP and NADH.

Answer 7

Chapter 14, Problem 2P

Summary Introduction

To determine: The balanced biochemical equations for all the reactions in the process of conversion of glyceraldehyde 3-phosphate into pyruvate, with the standard free energy change for each reaction.

Introduction:

The payoff phase of glycolysis includes the steps of energy conserving phosphorylation in which some of the chemical energy present inside the glucose molecule is conserved in the form of ATP and NADH.

Answer 8

Summary Introduction

To determine: The overall or net equation for the payoff phase of glycolysis, including the net standard free-energy change.

Introduction:

The conversion of two molecules of pyruvate is accompanied by the formation of 4 ATP from ADP. However, the net yield of ATP per molecule of glucose degraded into two because the other two were invested in the preparatory phase of glycolysis.

Answer 9

Summary Introduction

To determine: The overall or net equation for the payoff phase of glycolysis, including the net standard free-energy change.

Introduction:

The conversion of two molecules of pyruvate is accompanied by the formation of 4 ATP from ADP. However, the net yield of ATP per molecule of glucose degraded into two because the other two were invested in the preparatory phase of glycolysis.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 14 - Prob. 1P Ch. 14 - Prob. 2P Ch. 14 - Prob. 3P Ch. 14 - Prob. 4P Ch. 14 - Prob. 5P Ch. 14 - Prob. 6P Ch. 14 - Prob. 7P Ch. 14 - Prob. 8P Ch. 14 - Prob. 9P Ch. 14 - Prob. 10P

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Chapter 14 Solutions