To draw: A simple sketch that illustrates an inner mitochondrial membrane that is actively involved in chemiosmosis. Then, label the two compartments it separates, ATP synthase complex, the proton gradient, and the compartment in which ATP is synthesized. Concept introduction: The process in which the ions are moved by diffusion across a semi-permeable membrane to synthesize ATP is known as chemiosmosis. This process takes place inside the mitochondria during the aerobic cellular respiration . During the course of chemiosmosis, the ions move down an electrochemical gradient (gradient of the electrochemical potential) by ATP synthase. The ATP synthase utilizes the proton-motive force to phosphorylate adenosine diphosphate (ADP) and forms ATP.

Question

Draw a simple sketch illustrating an inner mitochondrial membrane that is actively involved in chemiosmosis and label the two compartments it separates. Add the ATP synthase complex, indicate the proton gradient, and specify in which compartment ATP is synthesized.

Answer 1

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 15TYU

Summary Introduction

To draw: A simple sketch that illustrates an inner mitochondrial membrane that is actively involved in chemiosmosis. Then, label the two compartments it separates, ATP synthase complex, the proton gradient, and the compartment in which ATP is synthesized.

Concept introduction: The process in which the ions are moved by diffusion across a semi-permeable membrane to synthesize ATP is known as chemiosmosis. This process takes place inside the mitochondria during the aerobic cellular respiration. During the course of chemiosmosis, the ions move down an electrochemical gradient (gradient of the electrochemical potential) by ATP synthase. The ATP synthase utilizes the proton-motive force to phosphorylate adenosine diphosphate (ADP) and forms ATP.

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Draw a simple sketch illustrating an inner mitochondrial membrane that is actively involved in chemiosmosis and label the two compartments it separates. Add the ATP synthase complex, indicate the proton gradient, and specify in which compartment ATP is synthesized.

Match each item with the correct statement below concerning the electron transport chain and chemiosmosis. You can choose a selection more than once. Question 61 options: Where do protons re-enter the mitochondrial matrix? What molecule is transported by facilitated diffusion? What are the electron donor molecules at the beginning of the chain? In what order are the components of the chain arranged? Where do electrons, protons, and oxygen meet to become water? What is the first protein complex of the chain? What moves into the intermembrane space? What accepts the electrons at the end of the chain? 1. increasing electronegativity 2. decreasing electronegativity 3. ATP 4. oxygen 5. protons 6. NADH/FADH2 7. NADH dehydrogenase

(c) Compare the differences between oxidative phosphorylation and photophosphorylation by redrawing (if necessary) and completing the table given below: Table 1: Comparison of oxidative phosphorylation and photophosphorylation Oxidative phosphorylation Photophosphorylation Organelle Source of electrons Final electron acceptor Source of energy Role of ATP

Answer 2

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 15TYU

Summary Introduction

To draw: A simple sketch that illustrates an inner mitochondrial membrane that is actively involved in chemiosmosis. Then, label the two compartments it separates, ATP synthase complex, the proton gradient, and the compartment in which ATP is synthesized.

Concept introduction: The process in which the ions are moved by diffusion across a semi-permeable membrane to synthesize ATP is known as chemiosmosis. This process takes place inside the mitochondria during the aerobic cellular respiration. During the course of chemiosmosis, the ions move down an electrochemical gradient (gradient of the electrochemical potential) by ATP synthase. The ATP synthase utilizes the proton-motive force to phosphorylate adenosine diphosphate (ADP) and forms ATP.

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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 8, Problem 15TYU

Summary Introduction

To draw: A simple sketch that illustrates an inner mitochondrial membrane that is actively involved in chemiosmosis. Then, label the two compartments it separates, ATP synthase complex, the proton gradient, and the compartment in which ATP is synthesized.

Concept introduction: The process in which the ions are moved by diffusion across a semi-permeable membrane to synthesize ATP is known as chemiosmosis. This process takes place inside the mitochondria during the aerobic cellular respiration. During the course of chemiosmosis, the ions move down an electrochemical gradient (gradient of the electrochemical potential) by ATP synthase. The ATP synthase utilizes the proton-motive force to phosphorylate adenosine diphosphate (ADP) and forms ATP.

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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 15TYU

Summary Introduction