CAMPBELL BIOLOGY,VOL.II >CUSTOM<
17th Edition
ISBN: 9781323803677
Author: Urry
Publisher: PEARSON
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Chapter 42.5, Problem 3CC
MAKE CONNECTIONS → Describe similarities in the countercurrent exchange that facilitates respiration in fish and thermoregulation in geese (see Concept 40.3).
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Recall from your BI110 class that metabolically active tissues produce CO2 as a by-product of cellular respiration. Those metabolically active tissues require the O2 that is brought by hemoglobin for the same process (cellular respiration). Explain why the effect of pH on hemoglobin’s affinity for oxygen is consistent with delivering it to actively metabolizing tissues. (Hint: think about what effect the presence of CO2 has on the tissues…)
Outline the ways in which mammalian hemoglobinsimultaneously plays important roles in O2 transport, CO2transport, and control of blood pH.
Chapter 42 Solutions
CAMPBELL BIOLOGY,VOL.II >CUSTOM<
Ch. 42.1 - Prob. 1CCCh. 42.1 - Three-chambered hearts with incomplete septa were...Ch. 42.1 - Prob. 3CCCh. 42.2 - Explain why blood has a higher 02 concentration in...Ch. 42.2 - Prob. 2CCCh. 42.2 - Prob. 3CCCh. 42.3 - Prob. 1CCCh. 42.3 - Prob. 2CCCh. 42.3 - Prob. 3CCCh. 42.4 - Explain why a physician might order a white cell...
Ch. 42.4 - Prob. 2CCCh. 42.4 - Prob. 3CCCh. 42.4 - Prob. 4CCCh. 42.5 - Why is an internal location for gas exchange...Ch. 42.5 - Prob. 2CCCh. 42.5 - MAKE CONNECTIONS Describe similarities in the...Ch. 42.6 - Prob. 1CCCh. 42.6 - Prob. 2CCCh. 42.6 - Prob. 3CCCh. 42.7 - What determines whether O2 and CO2 undergo net...Ch. 42.7 - How does the Bohr shift help deliver O2 to very...Ch. 42.7 - Prob. 3CCCh. 42 - How does the flow of a fluid in a closed...Ch. 42 - Prob. 42.2CRCh. 42 - Prob. 42.3CRCh. 42 - Prob. 42.4CRCh. 42 - Prob. 42.5CRCh. 42 - How does air in the lungs differ from the fresh...Ch. 42 - How are the roles of a respiratory pigment and an...Ch. 42 - Prob. 1TYUCh. 42 - Blood returning to the mammalian heart in a...Ch. 42 - Prob. 3TYUCh. 42 - When you hold your breath, which of the following...Ch. 42 - Prob. 5TYUCh. 42 - Prob. 6TYUCh. 42 - Prob. 7TYUCh. 42 - DRAW IT Plot blood pressure against time for one...Ch. 42 - EVOLUTION CONNECTION One opponent of the movie...Ch. 42 - Prob. 10TYUCh. 42 - Prob. 11TYUCh. 42 - WRITE ABOUT A THEME: INTERACTIONS Some athletes...Ch. 42 - Prob. 13TYU
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- Part C - Exploring the cooperative binding of oxygen Oxygen shows cooperative binding to hemoglobin. Cooperative binding has the following effects on the binding and release of oxygen: Oxygen binding to hemoglobin: When one molecule of oxygen binds to one of hemoglobin's four subunits, the other subunits change shape slightly, increasing their affinity for oxygen. Oxygen release from hemoglobin: When four oxygen molecules are bound to hemoglobin's subunits and one subunit releases its oxygen, the other three subunits change shape again. This causes them to release their oxygen more readily. These two graphs show how cooperative binding differs from a hypothetical situation where binding is not cooperative. • The x-axis shows the partial pressure of oxygen (PO₂). This is a measure of the amount of oxygen present in a tissue. The blue arrows on the x-axis show the partial pressure of oxygen in various tissues of the body. • The y-axis shows the oxygen saturation of hemoglobin (O₂…arrow_forward. Oxygen binding by the hemocyanin of the shrimp Callianassa has been measured. Using the following data, prepare a Hill plot and determine (a) Pso, (b) h (the Hill coefficient), and (c) the minimum number of oxygen binding sites on the protein molecule. Poz (mm Hg) Yoz Po, (mm Hg) Yo2 1.1 0.003 136.7 0.557 7.7 0.019 166.8 0.673 10.7 0.035 203.2 0.734 31.7 0.084 262.2 0.794 71.9 0.190 327.0 0.834 100.5 0.329 452.0 0.875 123.3 0.487 736.7 0.913arrow_forwardWith the help of labeled diagram, Discuss the mechanism of respiration in human beings.arrow_forward
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