Campbell Biology, Books a la Carte Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
11th Edition
ISBN: 9780134454665
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 2.1, Problem 3CC
Summary Introduction
To evaluate: The effects of iron deficiency in the human body.
Concept introduction:
Iron is a trace element. Although, it is required in small quantity, it is essential for the maintenance of human body. It is a component of hemoglobin protein present in red blood cells (RBCs).
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3. When muscles are more active physiological conditions change to affect oxygen binding to Hemoglobin. Briefly describe the changes that occur and why this affects hemoglobin function. Draw the shifted curve on the graph above.
A. What physiological conditions change during exercise (levels of what molecules are increasing/decreasing)?
B. How do these molecules directly affect Hb’s structure ? What interactions does this stabilize ?
C. How do these interactions affect the affinity of Hb for O2? How would this affect the binding curve for Hb? Draw on the graph provided.
D. How will this shift in the binding curve affect the function of Hemoglobin ?
E.Where does the physiological pO2 in the tissues fall on the O2 binding curve ? In the lungs ? Why is this physiologically important?
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Chapter 2 Solutions
Campbell Biology, Books a la Carte Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
Ch. 2.1 - MAKE CONNECTIONS Explain how table salt has...Ch. 2.1 - Is a trace element an essential element? Explain.Ch. 2.1 - Prob. 3CCCh. 2.1 - MAKE CONNECTIONS Explain how natural selection...Ch. 2.2 - Prob. 1CCCh. 2.2 - A nitrogen atom has 7 protons, and the most common...Ch. 2.2 - Prob. 3CCCh. 2.2 - Prob. 4CCCh. 2.3 - Why does the structure H C = C H fail to make...Ch. 2.3 - What holds the atoms together in a crystal of...
Ch. 2.3 - What holds the atoms together in a crystal of...Ch. 2.4 - Prob. 1CCCh. 2.4 - Which type of chemical reaction, if any, occurs...Ch. 2.4 - WHAT IF? Write an equation that uses the products...Ch. 2 - Compare an element and a Compound.Ch. 2 - DRAW IT Draw the electron distribution diagrams...Ch. 2 - In terms of electron sharing between atoms,...Ch. 2 - What would happen to the concentration of products...Ch. 2 - Level 1: Knowledge/Comprehension 1. In the term...Ch. 2 - Compared with 31P, the radioactive isotope 32P has...Ch. 2 - The reactivity of an atom arises from (A) the...Ch. 2 - Which Statement is true of all atoms that are...Ch. 2 - Which of the following statements correctly...Ch. 2 - Prob. 6TYUCh. 2 - The atomic number of sulfur is 16. Sulfur combines...Ch. 2 - What coefficients must be placed in the following...Ch. 2 - DRAW IT Draw Lewis dot structures for each...Ch. 2 - EVOLUTION CONNECTION The percentages of naturally...Ch. 2 - SCIENTIFIC INQUIRY Female luna moths (Actias luna)...Ch. 2 - Prob. 12TYUCh. 2 - Prob. 13TYU
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- Explain how the CO2 generated by cells and exhaled in the lungs is carried as bicarbonate in the blood.arrow_forward13. There are several ways to measure cellular respiration experimentally. For example, CO2 and O2 gas sensors measure changes over time in the concentration of carbon dioxide or oxygen, respectively. Design two experiments to test the effects of changing two different variables or conditions (one per experiment) on the respiration of research organism of your choice.arrow_forwardAt high altitudes, _______. a. nitrogen bubbles out of the blood b. hemoglobin has fewer oxygen-binding sites c. there are fewer O2 molecules per unit volume of air than at low altitudes d. there is more carbon monoxide than at sea levelarrow_forward
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- A crocodile, which can remain underwater without breathing for up to 1 hour drowns its air-breathing prey, then dines at its leisure. An adaptation that aids the crocodile in doing so is that it can utilize virtually 100% of the O2 in its blood whereas humans, for example, can only extract about 65% of the O2 in their blood. Crocodile Hb does not bind BPG. However, crocodile deoxyHb preferentially binds HCO3-. How does this help the crocodile obtain its dinner? Please help explain why/if this is the answer, thank you! As CO2 concentrations increase so will the concentration of HCO3-. The HCO3- preferentially binds to the crocodile's deoxyhemoglobin, which allosterically prompts the hemoglobin to assume the deoxy conformation and thus release its O2.arrow_forwardWhich of the following factors play a role in the oxygen-hemoglobin saturation, dissociation curve? temperature pH BPG all of the abovearrow_forwardhe doctor also mentioned a new treatment for Sickle Cell Disease to JJ called Voxelotor (Oxbryta). Voxelotor binds to the a-globin chain and alters the structure of HbS stabilizing it in the R-state (relaxed state). Q7: In the presence of Voxelotor would you expect the affinity of HbS for O2 to increase or decrease? Q8: How would you classify the mechanism of action for Voxelotor? Q9: Voxelotor's structure is shown below. What would you expect the overall charge of the molecule to be in the blood (pH = 7.4) Pyridinium pKa = 2.6 Phenol pKa = 8.3arrow_forward
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