The increased efficiency of cellular respiration and higher growth rates in organisms as result of the evolution of an oxygen-rich atmosphere. Introduction: The conditions on the earth were never as they are today. The atmosphere was once quite obnoxious with the reducing environment due to the presence of carbon dioxide. The organisms at that time survived using substrates other than oxygen for respiration. As a result, the growth rate was slow in the organisms with low oxygen present in atmosphere.

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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 26, Problem 7TYU

Summary Introduction

To review:

The increased efficiency of cellular respiration and higher growth rates in organisms as result of the evolution of an oxygen-rich atmosphere.

Introduction:

The conditions on the earth were never as they are today. The atmosphere was once quite obnoxious with the reducing environment due to the presence of carbon dioxide. The organisms at that time survived using substrates other than oxygen for respiration. As a result, the growth rate was slow in the organisms with low oxygen present in atmosphere.

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Answer 2

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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 26, Problem 7TYU

Summary Introduction

To review:

The increased efficiency of cellular respiration and higher growth rates in organisms as result of the evolution of an oxygen-rich atmosphere.

Introduction:

The conditions on the earth were never as they are today. The atmosphere was once quite obnoxious with the reducing environment due to the presence of carbon dioxide. The organisms at that time survived using substrates other than oxygen for respiration. As a result, the growth rate was slow in the organisms with low oxygen present in atmosphere.

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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 26, Problem 7TYU

Summary Introduction

To review:

The increased efficiency of cellular respiration and higher growth rates in organisms as result of the evolution of an oxygen-rich atmosphere.

Introduction:

The conditions on the earth were never as they are today. The atmosphere was once quite obnoxious with the reducing environment due to the presence of carbon dioxide. The organisms at that time survived using substrates other than oxygen for respiration. As a result, the growth rate was slow in the organisms with low oxygen present in atmosphere.

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 26, Problem 7TYU

Summary Introduction