The nutritional strategies of prokaryotes were classified based on carbon, electron, and energy sources. Carbon sources include atmospheric carbon dioxide or reduced carbon from the environment. The energy sources include light and reduced organic or inorganic compounds. The electron sources include reducing organic or inorganic compounds.

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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 27, Problem 7U

Summary Introduction

Introduction: The nutritional strategies of prokaryotes were classified based on carbon, electron, and energy sources. Carbon sources include atmospheric carbon dioxide or reduced carbon from the environment. The energy sources include light and reduced organic or inorganic compounds. The electron sources include reducing organic or inorganic compounds.

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Which of the following statements is a correct distinction between autotrophs and heterotrophs? a. Only heterotrophs require chemical compounds from the environment. b. Cellular respiration is unique to heterotrophs. c. Only heterotrophs have mitochondria. d. Only autotrophs can live on nutrients that are entirely inorganic

Which of the following pairs is mismatched? a. catalase: hydrogen peroxide production b. bactericidal permeability-increasing protein: binds LPS and kills Gram-negative bacteria c. elastase: basement membrane degradation d. NADPH oxidase: superoxide radical production e. gelatinase: iron sequestration f. paracrine: acts on neighboring cells.

The green sulfur bacteria, using sunlight as an energy source for photosystem I, are unable to split water molecules to release O2, but they are able to release which inorganic product molecule? A. hydrogen sulfide B. glucose C. elemental sulfur D. oxygen E. carbon dioxide

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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 27, Problem 7U

Summary Introduction

Introduction: The nutritional strategies of prokaryotes were classified based on carbon, electron, and energy sources. Carbon sources include atmospheric carbon dioxide or reduced carbon from the environment. The energy sources include light and reduced organic or inorganic compounds. The electron sources include reducing organic or inorganic compounds.

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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 27, Problem 7U

Summary Introduction

Introduction: The nutritional strategies of prokaryotes were classified based on carbon, electron, and energy sources. Carbon sources include atmospheric carbon dioxide or reduced carbon from the environment. The energy sources include light and reduced organic or inorganic compounds. The electron sources include reducing organic or inorganic compounds.

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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 27, Problem 7U

Summary Introduction