CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
3rd Edition
ISBN: 9780136811206
Author: Urry
Publisher: SAVVAS L
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Chapter 34, Problem 11TYU
Summary Introduction
To relate:
The mechanism of O2 transport in the human body with the preparation of athletes to climb mountains.
Introduction:
The oxygen content in the atmosphere is 21%. As a person goes up the altitude, the partial pressure of oxygen (
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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…
Chapter 34 Solutions
CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
Ch. 34.1 - How is the now of hemolymph through an open...Ch. 34.1 - Three-chambered hearts with incomplete septa were...Ch. 34.1 - Prob. 3CCCh. 34.2 - Prob. 1CCCh. 34.2 - Why is it important that the AV node delay the...Ch. 34.2 - Prob. 3CCCh. 34.3 - What is the primary cause of the low velocity of...Ch. 34.3 - Prob. 2CCCh. 34.3 - Prob. 3CCCh. 34.4 - Prob. 1CC
Ch. 34.4 - Prob. 2CCCh. 34.4 - Prob. 3CCCh. 34.4 - Prob. 4CCCh. 34.5 - Why is an internal location for gas exchange...Ch. 34.5 - After a heavy rain, earthworms come to the...Ch. 34.5 - MAKE CONNECTIONS Describe similarities in the...Ch. 34.6 - Prob. 1CCCh. 34.6 - Prob. 2CCCh. 34.6 - WHAT IF? If an injury tore a small hole in the...Ch. 34.7 - What determines whether O2, or CO2, undergoes net...Ch. 34.7 - How does the Bohr shift help deliver O2, to very...Ch. 34.7 - Prob. 3CCCh. 34 - Which of the following respiratory systems is not...Ch. 34 - Blood returning to the mammalian heart in a...Ch. 34 - Pulse is a direct measure of A. blood pressure. B....Ch. 34 - Prob. 4TYUCh. 34 - One feature that amphibians and humans have in...Ch. 34 - If a molecule of CO2 released into the blood in...Ch. 34 - Prob. 7TYUCh. 34 - DRAW IT Plot blood pressure against time for one...Ch. 34 - Prob. 9TYUCh. 34 - Prob. 10TYUCh. 34 - Prob. 11TYUCh. 34 - SYNTHESIZE YOUR KNOWLEDGE The diving bell spider...
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- All our body tissues require O2 for their function. And, Hemoglobin does this job, i.e., hemoglobin transport the O2 to all the tissues. How will these conditions affect O2 transportation? i. If CO2 increases in the lung.ii. If pH increases in the stomach tissue.arrow_forward18arrow_forward. Carbonic anhydrase of erythrocytes (M, 30,000) has one of the highest turnover numbers known. It catalyzes the reversible hydration of CO₂. H₂O + CO₂ H₂CO3 This is an important process in the transport of CO₂ from the tissues to the lungs. If 3 µg of pure carbonic anhydrase catalyzes the hydration of 0.10 g of CO₂ in 1 min at 37 °C at Vmax, what is the turnover number (kcat) of carbonic anhydrase? Keat = 3.79 ×10-¹4 Incorrect I minarrow_forward
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