How does a cell get rids of CO 2 that is produced during cellular respiration ? Introduction: Diffusion is a process in which a substance moves from an area of its higher concentration to an area of its lower concentration without the expenditure of energy. The molecules move in a direction from a higher to a lower concentration gradient. For example, during a respiration process, oxygen molecule (O 2 ) is taken up by cells. Oxygen is a non-polar molecule that can rapidly cross the lipid bilayer of the plasma membrane. The O 2 is in higher concentration outside the cell membrane than inside, so it favors the diffusion of O 2 inside the cell.

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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 7.3, Problem 1CC

Summary Introduction

To explain: How does a cell get rids of CO₂that is produced during cellular respiration?

Introduction: Diffusion is a process in which a substance moves from an area of its higher concentration to an area of its lower concentration without the expenditure of energy. The molecules move in a direction from a higher to a lower concentration gradient. For example, during a respiration process, oxygen molecule (O₂) is taken up by cells. Oxygen is a non-polar molecule that can rapidly cross the lipid bilayer of the plasma membrane. The O₂is in higher concentration outside the cell membrane than inside, so it favors the diffusion of O₂ inside the cell.

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Normal dive (for diving humans) normal breathing dive normal breathing Oz level CO2 level urgent need to breathe Oz blackout zone high CO2 triggers breathing 6. This diagram shows rates of oxygen depletion and carbon dioxide accumulation in the blood in relation to the levels needed to maintain consciousness and trigger the urgent need to breathe in diving humans. How might the location and slope of the O₂ line differ for diving marine mammals such as whales and dolphins? • How might the location and slope of the CO₂ line differ for diving marine mammals such as whales and dolphins? • • Draw in predicted lines for O2 and CO2, based on your reasoning above. How might the location of the Urgent Need to Breathe line and the O2 Blackout Zone line differ for diving marine mammals? What physiological mechanisms account for each of these differences, resulting in the ability of marine mammals to stay submerged for long periods of time?

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3. Shown below is the dental formula and digestive tract anatomy of three mammalian species (A, B, and C). What kind of diet would you expect each species to have? Support your answers with what you can infer from the dental formula and what you can see in the diagram. Broadly speaking, what accounts for the differences? Species A 3/3, 1/1, 4/4, 3/3 པར『ན་ cm 30 Species B 4/3, 1/1, 2/2, 4/4 cm 10 Species C 0/4, 0/0,3/3, 3/3 020

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 7.3, Problem 1CC

Summary Introduction

To explain: How does a cell get rids of CO₂that is produced during cellular respiration?

Introduction: Diffusion is a process in which a substance moves from an area of its higher concentration to an area of its lower concentration without the expenditure of energy. The molecules move in a direction from a higher to a lower concentration gradient. For example, during a respiration process, oxygen molecule (O₂) is taken up by cells. Oxygen is a non-polar molecule that can rapidly cross the lipid bilayer of the plasma membrane. The O₂is in higher concentration outside the cell membrane than inside, so it favors the diffusion of O₂ inside the cell.

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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 7.3, Problem 1CC

Summary Introduction

To explain: How does a cell get rids of CO₂that is produced during cellular respiration?

Introduction: Diffusion is a process in which a substance moves from an area of its higher concentration to an area of its lower concentration without the expenditure of energy. The molecules move in a direction from a higher to a lower concentration gradient. For example, during a respiration process, oxygen molecule (O₂) is taken up by cells. Oxygen is a non-polar molecule that can rapidly cross the lipid bilayer of the plasma membrane. The O₂is in higher concentration outside the cell membrane than inside, so it favors the diffusion of O₂ inside the cell.

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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 7.3, Problem 1CC

Summary Introduction