Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 42, Problem 3TYK
Summary Introduction
Introduction:
Hemoglobin is a tetrameric protein found in the red blood cells. One molecule of hemoglobin binds to four oxygen molecules.
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With the Bohr effect, more oxygen is released because a(n)____.
a) increase in pH(alkalosis) strengthens the hemoglobin-oxygen bond
b) increase in pH(alkalosis) weakens the hemoglobin-oxygen bond
c) decrease in pH (acidosis) weakens the hemoglobin-oxygen bond
d) decrease in pH (acidosis) strengthens the hemoglobin-oxygen bond
Do the following conditions cause hemoglobin to release more O2 to the tissues or to absorb more O2?(a) Raising the temperature(b) Increased production of CO2(c) Increasing the H+ concentration
The rate of diffusion would increase by?
A) an increase in airway resistance
B) a decrease in lung compliance
C) a decrease in alveolar surface area
D) a decrease in alveolar barrier thickness
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Biological Science (7th Edition)
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