Glucose metabolism is a cycle of biological processes which can break down glucose molecules to obtain ATPs. It involves three pathways: glycolysis, fermentation, and cellular respiration pathways. Glycolysis is an anaerobic reaction that occurs when a cell releases oxygen followed by glucose breakdown. Fermentation occurs after glycolysis and produces ethanol and carbon dioxide as by-products. Fermentation is an “anaerobic process”. In this cycle, NADH is converted into NAD + that is reused for glucose breakdown. Then cellular respiration occurs that produces NADH molecules and generates most ATP molecules.

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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 8, Problem 4MC

Summary Introduction

Introduction:

Glucose metabolism is a cycle of biological processes which can break down glucose molecules to obtain ATPs. It involves three pathways: glycolysis, fermentation, and cellular respiration pathways.

Glycolysis is an anaerobic reaction that occurs when a cell releases oxygen followed by glucose breakdown. Fermentation occurs after glycolysis and produces ethanol and carbon dioxide as by-products. Fermentation is an “anaerobic process”. In this cycle, NADH is converted into NAD⁺that is reused for glucose breakdown. Then cellular respiration occurs that produces NADH molecules and generates most ATP molecules.

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Which of these statements is true? a.Glycolysis is the process that builds glucose. b. Cellular respiration requires light to complete the process c. Lactic acid fermentation provides energy when oxygen is present. d. Carbon dioxide is produced during respiration.

NAD+ is regenerated duringa. glycolysis.b. fermentation.c. the Krebs cycle.d. the formation of acetyl-CoA.

All types of fermentation are necessary to ________. a. produce gases required by the environment b. ensure an adequate supply of NAD+ is regenerated c. ensure an adequate supply of ATP is regenerated

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 8, Problem 4MC

Summary Introduction

Introduction:

Glucose metabolism is a cycle of biological processes which can break down glucose molecules to obtain ATPs. It involves three pathways: glycolysis, fermentation, and cellular respiration pathways.

Glycolysis is an anaerobic reaction that occurs when a cell releases oxygen followed by glucose breakdown. Fermentation occurs after glycolysis and produces ethanol and carbon dioxide as by-products. Fermentation is an “anaerobic process”. In this cycle, NADH is converted into NAD⁺that is reused for glucose breakdown. Then cellular respiration occurs that produces NADH molecules and generates most ATP molecules.

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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 8, Problem 4MC

Summary Introduction

Introduction:

Glucose metabolism is a cycle of biological processes which can break down glucose molecules to obtain ATPs. It involves three pathways: glycolysis, fermentation, and cellular respiration pathways.

Glycolysis is an anaerobic reaction that occurs when a cell releases oxygen followed by glucose breakdown. Fermentation occurs after glycolysis and produces ethanol and carbon dioxide as by-products. Fermentation is an “anaerobic process”. In this cycle, NADH is converted into NAD⁺that is reused for glucose breakdown. Then cellular respiration occurs that produces NADH molecules and generates most ATP molecules.

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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 8, Problem 4MC

Summary Introduction