The number of steps in gluconeogenesis which are not the exact reversal of the steps in glycolysis, the kind of conversion of substrate to product involve in each of these processes and the common theme in these reactions should be determined. Concept Introduction: Glycolysi s: This is the metabolic process that serves as the foundation for both aerobic and anaerobic cellular respiration , in glycolysis, glucose is converted into pyruvate. Glucose is a six-membered ring molecule found in the blood and is usually a result of the breakdown of carbohydrates into sugars. It enters cells though specific transporter proteins that moves it from outside the cell into the cell cytosol. Gluconeogenesis: This process of synthesis of glucose or glycogen from non-carbohydrate sources is called gluconeogenesis. Substrate for gluconeogenesis Glycogenic amino acid Glycerol Pyruvate Lactate Intermediate of TCA cycle.

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Answer 1

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Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 22, Problem 22.66AP

Interpretation Introduction

Interpretation:

The number of steps in gluconeogenesis which are not the exact reversal of the steps in glycolysis, the kind of conversion of substrate to product involve in each of these processes and the common theme in these reactions should be determined.

Concept Introduction:

Glycolysis: This is the metabolic process that serves as the foundation for both aerobic and anaerobic cellular respiration, in glycolysis, glucose is converted into pyruvate. Glucose is a six-membered ring molecule found in the blood and is usually a result of the breakdown of carbohydrates into sugars. It enters cells though specific transporter proteins that moves it from outside the cell into the cell cytosol.

Gluconeogenesis: This process of synthesis of glucose or glycogen from non-carbohydrate sources is called gluconeogenesis.

Substrate for gluconeogenesis

Glycogenic amino acid

Glycerol

Pyruvate

Lactate

Intermediate of TCA cycle.

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Which statement best describes the reason why some of the reactions of glycolysis cannot be run in reverse in gluconeogenesis? 1) The last reactions occur in mitochondria and reactions there can never be reversed. 2) Glycolysis includes isomerization reactions and these can never be reversed. 3) There are some allaşteric enzymes and allosteric enzymes can never be reversed. 4) Some reactions have such large negative free energy changes that they can never be reversed under cellular conditions. O

Why is pyruvate carboxylase constitutive and active in both glycolysis and gluconeogenesis?

Why is the isomerization of glucose-6-phosphate (G6P) to fructose-6-phosphate (F6P) an important step in glycolysis? How is the isomerization of F6P back into G6P prevented?

Answer 2

Question

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 22, Problem 22.66AP

Interpretation Introduction

Interpretation:

The number of steps in gluconeogenesis which are not the exact reversal of the steps in glycolysis, the kind of conversion of substrate to product involve in each of these processes and the common theme in these reactions should be determined.

Concept Introduction:

Glycolysis: This is the metabolic process that serves as the foundation for both aerobic and anaerobic cellular respiration, in glycolysis, glucose is converted into pyruvate. Glucose is a six-membered ring molecule found in the blood and is usually a result of the breakdown of carbohydrates into sugars. It enters cells though specific transporter proteins that moves it from outside the cell into the cell cytosol.

Gluconeogenesis: This process of synthesis of glucose or glycogen from non-carbohydrate sources is called gluconeogenesis.

Substrate for gluconeogenesis

Glycogenic amino acid

Glycerol

Pyruvate

Lactate

Intermediate of TCA cycle.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 3

Question

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 22, Problem 22.66AP

Interpretation Introduction

Interpretation:

The number of steps in gluconeogenesis which are not the exact reversal of the steps in glycolysis, the kind of conversion of substrate to product involve in each of these processes and the common theme in these reactions should be determined.

Concept Introduction:

Glycolysis: This is the metabolic process that serves as the foundation for both aerobic and anaerobic cellular respiration, in glycolysis, glucose is converted into pyruvate. Glucose is a six-membered ring molecule found in the blood and is usually a result of the breakdown of carbohydrates into sugars. It enters cells though specific transporter proteins that moves it from outside the cell into the cell cytosol.

Gluconeogenesis: This process of synthesis of glucose or glycogen from non-carbohydrate sources is called gluconeogenesis.

Substrate for gluconeogenesis

Glycogenic amino acid

Glycerol

Pyruvate

Lactate

Intermediate of TCA cycle.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 22, Problem 22.66AP

Interpretation Introduction