Hemoglobin has four polypeptide chains. Two of them are alpha-chains and the other two are beta-chains. Thus, there are 2 dimers that are formed. Each dimer contains one alpha-chain and one beta-chain. The combination of 2 dimers results in the formation of a tetramer. In each of these structures of the polypeptide chain, there are heme groups that contain iron, which is responsible for binding to the diatomic oxygen (O 2 ). One iron binds with one oxygen molecule. Hemoglobin dissociation curve is a graphical representation of the proportion of oxygen saturation level of hemoglobin against the partial pressure of oxygen.

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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 46, Problem 9TYK

Summary Introduction

Introduction:

Hemoglobin has four polypeptide chains. Two of them are alpha-chains and the other two are beta-chains. Thus, there are 2 dimers that are formed. Each dimer contains one alpha-chain and one beta-chain. The combination of 2 dimers results in the formation of a tetramer. In each of these structures of the polypeptide chain, there are heme groups that contain iron, which is responsible for binding to the diatomic oxygen (O₂). One iron binds with one oxygen molecule. Hemoglobin dissociation curve is a graphical representation of the proportion of oxygen saturation level of hemoglobin against the partial pressure of oxygen.

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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 46, Problem 9TYK

Summary Introduction

Introduction:

Hemoglobin has four polypeptide chains. Two of them are alpha-chains and the other two are beta-chains. Thus, there are 2 dimers that are formed. Each dimer contains one alpha-chain and one beta-chain. The combination of 2 dimers results in the formation of a tetramer. In each of these structures of the polypeptide chain, there are heme groups that contain iron, which is responsible for binding to the diatomic oxygen (O₂). One iron binds with one oxygen molecule. Hemoglobin dissociation curve is a graphical representation of the proportion of oxygen saturation level of hemoglobin against the partial pressure of oxygen.

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Answer 3

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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 46, Problem 9TYK

Summary Introduction

Introduction:

Hemoglobin has four polypeptide chains. Two of them are alpha-chains and the other two are beta-chains. Thus, there are 2 dimers that are formed. Each dimer contains one alpha-chain and one beta-chain. The combination of 2 dimers results in the formation of a tetramer. In each of these structures of the polypeptide chain, there are heme groups that contain iron, which is responsible for binding to the diatomic oxygen (O₂). One iron binds with one oxygen molecule. Hemoglobin dissociation curve is a graphical representation of the proportion of oxygen saturation level of hemoglobin against the partial pressure of oxygen.

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Answer 4

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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 46, Problem 9TYK

Summary Introduction