IA MODIFIED MASTERING BIOLOGY WITH E TEX
12th Edition
ISBN: 9780136781752
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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Typed explanation
Derivatioh
The equilibrium between dissolved CO2 and carbonic acid can be represented by
k12
H+ + HCO3
H2CO3
k21
k13 || k31
К23
К 32
CO2
H2O
Show that
k23
d[CO2]
= (k31 + k32)[CO2] - (k13 + 3 )tH* I[HCO3¯1
K
dt
where K =
[H+][HCO3¯]/[H2CO3].
Step 1 of 4
The equilibrium between dissolved CO2 and carbonic acid can be represented by
k12
H+ + HCO;
H,CO3
k21
k13
k31
k23
К 32
CO2
H2O
d[CO2]
corresponding to the given equilibrium. (Assume that H2O is incorporated in the appropriate equilibrium constants. Use the following as necessary: [CO2], [H+],
Give the expression for
dt
[HCO3 ], [H2C03], k12, k13, k21, k23, k31, and k32-)
k23 H HCO3
d[CO2]
(k31 + k32)[ CO2] - (kK13 +
k
dt
Submit
. 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
min
Chapter 42 Solutions
IA MODIFIED MASTERING BIOLOGY WITH E TEX
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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