Glucose metabolism is a cycle of biological processes which break down glucose molecules to obtain ATPs. It involves three pathways: glycolysis, fermentation, and cellular respiration pathways. During glycolysis and fermentation process glucose breaks down and form pyruvate, ethanol, and 2 ATP molecules. Cellular respiration involves two pathways: the formation of acetyl CoA followed by Kreb’s cycle and the electron transport chain.

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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 2MC

Summary Introduction

Introduction:

Glucose metabolism is a cycle of biological processes which break down glucose molecules to obtain ATPs. It involves three pathways: glycolysis, fermentation, and cellular respiration pathways. During glycolysis and fermentation process glucose breaks down and form pyruvate, ethanol, and 2 ATP molecules. Cellular respiration involves two pathways: the formation of acetyl CoA followed by Kreb’s cycle and the electron transport chain.

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Which of the following is FALSE about glycolysis? a. The pathway axidizes two moles of NADH to NAD* for each mole of glucose. b. The pathway requires two moles of ATP to get started catabolizing each mole of glucose. c. ADP is phosphorylated to ATP via substrate -level phosphorylation. d. The pattivay produces pyruvate as one of its products.

Which of the following statements concerning alcoholic fermentation is NOT true? a. It occurs under aerobic conditions in yeast. b. It converts pyruvate into ethanol and CO2. c. One molecule of NADH is consumed. d. It generates NAD+ for reuse by glycolysis.

Which of the following must be available in sufficient supply for glycolysis to proceed? a. Glucose, NAD+, and ATP b. Pyruvate, NADH, and ATP c. Glucose, NADH, and ATP d. Acetyl-CoA, FAD, and NAD+ e. Pyruvate, NAD+, and ATP

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 2MC

Summary Introduction

Introduction:

Glucose metabolism is a cycle of biological processes which break down glucose molecules to obtain ATPs. It involves three pathways: glycolysis, fermentation, and cellular respiration pathways. During glycolysis and fermentation process glucose breaks down and form pyruvate, ethanol, and 2 ATP molecules. Cellular respiration involves two pathways: the formation of acetyl CoA followed by Kreb’s cycle and the electron transport chain.

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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 2MC

Summary Introduction

Introduction:

Glucose metabolism is a cycle of biological processes which break down glucose molecules to obtain ATPs. It involves three pathways: glycolysis, fermentation, and cellular respiration pathways. During glycolysis and fermentation process glucose breaks down and form pyruvate, ethanol, and 2 ATP molecules. Cellular respiration involves two pathways: the formation of acetyl CoA followed by Kreb’s cycle and the electron transport chain.

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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 8, Problem 2MC

Summary Introduction