Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 46, Problem 3TYK
Summary Introduction
Introduction:
Some animals like sharks, fishes, and crabs have ventilating and gas exchange system similar to geothermal HVAC (heating, ventilating, and air conditioning) systems of air-conditioning. These animals take advantage of one-way flow of water over their gills to maximize the gas exchange.
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In a biology lab, it is critical to de-gas a polyacrylamide gel solution before pouring it so that gas bubbles do not form in the gel. What could you do to decrease the solubility of a gas in the polyacrylamide solution?
Select one:
a. Increase the temperature, and decrease the pressure.
b. Decrease the temperature, and increase the pressure.
c. Decrease the temperature, and decrease the pressure.
d. Increase the temperature, and increase the pressure.
Which of these equations represents a reaction that takes place in the capillaries of muscle cells of the legs?
A.
HbO2 → Hb + O2
B.
Hb + O2 → HbO2
C.
Hb + CO → HbCO
D.
HbCO2 → Hb + CO2
E.
None of the above answer choices correctly answers the question.
Which of the following is a true statement?
A. The concentration of oxygen in water is greater than that in air.
B. In animals with gills, ventilation helps to reduce the thickness of the
boundary layer.
C. Countercurrent flow at the gas-exchange surface results in the
diffusion gradient across surface.
D. Mammalian lungs requires the diaphragm because the lungs are
relatively stiff and filled with parabronchi.
Chapter 46 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 46.1 - Distinguish between the roles of the respiratory...Ch. 46.1 - What is an advantage of water over air as a...Ch. 46.2 - What advantages do gills confer on a...Ch. 46.2 - Prob. 2SBCh. 46.2 - Prob. 3SBCh. 46.2 - Distinguish between positive pressure breathing...Ch. 46.3 - Prob. 1SBCh. 46.3 - Prob. 2SBCh. 46.3 - Prob. 3SBCh. 46.4 - Explain the role of hemoglobin in gas exchange.
Ch. 46.4 - Prob. 2SBCh. 46.5 - What are the key evolutionary adaptations that...Ch. 46 - Prob. 1TYKCh. 46 - Prob. 2TYKCh. 46 - Prob. 3TYKCh. 46 - Prob. 4TYKCh. 46 - Prob. 5TYKCh. 46 - Prob. 6TYKCh. 46 - Prob. 7TYKCh. 46 - Oxygen enters the blood in the lungs because...Ch. 46 - Prob. 9TYKCh. 46 - Prob. 10TYKCh. 46 - Prob. 11TYKCh. 46 - Prob. 12TYKCh. 46 - Prob. 13TYKCh. 46 - Prob. 14TYKCh. 46 - Prob. 15TYKCh. 46 - Lycopene, which is abundant in tomatoes, is...Ch. 46 - Prob. 2ITD
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