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Using a series of labeled diagrams with captions, answer question #37 on page 7.   (Page 7 has been attached)

Using a series of labeled diagrams with captions, answer question #37 on page 7.   (Page 7 has been attached)

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Using a series of labeled diagrams with captions, answer question #37 on page 7.

 

(Page 7 has been attached)

Diffusion and Osmosis • The cell membrane controls what enters and leaves • Diffusion is the net movement of particles from an area of high concentration to an area of lower the cell. concentration. • Concentration is the quantity of a given substance in a given volume. • Osmosis is the movement of water molecules across a cell membrane from an area of higher concentration of water to an area of lower concentration of water. 30. Which is an example of osmosis? 33. Explain the term selectively permeable as it applies to a cell membrane. a. movement of oxygen from the alveoli in lungs into capillaries of the circulatory system b. movement of carbon dioxide from capillaries of the circulatory system into the alveoli in lungs C. absorption of nutrients from the villi of the small intestine into the capillaries of the circulatory 34. Compare the processes of diffusion and osmosis in the context of a cell membrane. 35. Describe the importance of diffusion to a cell. system d. absorption of water from the soil to plant root cells e. movement of sugar produced by photosynthesis from the leaves to other parts of a plant 36. An amoeba (Amoeba proteus) is a single-celled protozoan that lives in fresh water. Water continually moves into this organism by osmosis. Amoebas use an organelle called a contractile vacuole to remove excess water from the cell. 31. Which plant cell shown below is in an environment where there is a higher concentration of water contractile vacuole molecules inside the cell than outside of the cell? H,0 H,0 TH,0 H,0 H,0 a. Describe what would happen to an Amoeba proteus if it did not have a contractile vacuole. b. Predict the effect of placing an Amoeba proteus in salt water. 37. Dialysis tubing is a material used to make artificial membranes that are selectively permeable. A photograph of a membrane model made with dialysis tubing is shown below. Imagine that the membrane model contains distilled water and is placed in the ink-and-water beaker from question 32. Assume that the ink has fully diffused through the water when the membrane model is placed in it. Also assume that the dialysis tubing is permeable to water but not to ink particles. Describe what will happen as time passes, and explain why it will happen. I II III IV а. I c. III b. II d. IV 32. A dropper-full of ink is released into a beaker of water. The three photographs below show how the ink diffused in the water over a period of time. Write one caption to go with this set of three photographs to explain what is happening. The following terms should appear in your caption: diffusion, high concentration, low concentration, ink, water.
Transcribed Image Text:Diffusion and Osmosis • The cell membrane controls what enters and leaves • Diffusion is the net movement of particles from an area of high concentration to an area of lower the cell. concentration. • Concentration is the quantity of a given substance in a given volume. • Osmosis is the movement of water molecules across a cell membrane from an area of higher concentration of water to an area of lower concentration of water. 30. Which is an example of osmosis? 33. Explain the term selectively permeable as it applies to a cell membrane. a. movement of oxygen from the alveoli in lungs into capillaries of the circulatory system b. movement of carbon dioxide from capillaries of the circulatory system into the alveoli in lungs C. absorption of nutrients from the villi of the small intestine into the capillaries of the circulatory 34. Compare the processes of diffusion and osmosis in the context of a cell membrane. 35. Describe the importance of diffusion to a cell. system d. absorption of water from the soil to plant root cells e. movement of sugar produced by photosynthesis from the leaves to other parts of a plant 36. An amoeba (Amoeba proteus) is a single-celled protozoan that lives in fresh water. Water continually moves into this organism by osmosis. Amoebas use an organelle called a contractile vacuole to remove excess water from the cell. 31. Which plant cell shown below is in an environment where there is a higher concentration of water contractile vacuole molecules inside the cell than outside of the cell? H,0 H,0 TH,0 H,0 H,0 a. Describe what would happen to an Amoeba proteus if it did not have a contractile vacuole. b. Predict the effect of placing an Amoeba proteus in salt water. 37. Dialysis tubing is a material used to make artificial membranes that are selectively permeable. A photograph of a membrane model made with dialysis tubing is shown below. Imagine that the membrane model contains distilled water and is placed in the ink-and-water beaker from question 32. Assume that the ink has fully diffused through the water when the membrane model is placed in it. Also assume that the dialysis tubing is permeable to water but not to ink particles. Describe what will happen as time passes, and explain why it will happen. I II III IV а. I c. III b. II d. IV 32. A dropper-full of ink is released into a beaker of water. The three photographs below show how the ink diffused in the water over a period of time. Write one caption to go with this set of three photographs to explain what is happening. The following terms should appear in your caption: diffusion, high concentration, low concentration, ink, water.
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