Inquiry Into Life (16th Edition)
16th Edition
ISBN: 9781260231700
Author: Sylvia S. Mader, Michael Windelspecht
Publisher: McGraw Hill Education
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Textbook Question
Chapter 1.1, Problem 2QTC
In addition to hemoglobin levels, do you think that people at high elevations may exhibit other adaptations?
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In carbon monoxide (CO) poisoning, CO binds to the heme of hemoglobin much tighter than oxygen (O2). What effect will this have on the ability of the tissues to get oxygen?
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There will be no effect.
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More hemoglobin will be produced to deliver oxygen to the tissues.
Hemoglobin will bind less O2 and deliver less oxygen to the tissues.
73) The Haldane Effect says that it is easier for CO2 to bind to hemoglobin once oxygen has dissociated from the heme group.
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75) Boyle’s Law states that there is a directly proportional relationship between the volume of a container and the pressure within that container.
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76) All Red Blood Cells are replenished at the same time.
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Discuss what is the advantage of producing different hemoglobins at different stages ofdevelopment?
Chapter 1 Solutions
Inquiry Into Life (16th Edition)
Ch. 1.1 - Identify the basic characteristics of life.Ch. 1.1 - Distinguish between the levels of biological...Ch. 1.1 - Recognize the importance of adaptation and...Ch. 1.1 - What other environments do you think could be...Ch. 1.1 - In addition to hemoglobin levels, do you think...Ch. 1.1 - List the common characteristic of all living...Ch. 1.1 - Prob. 2CYPCh. 1.1 - Explain how adaptations relate to evolutionary...Ch. 1.2 - Describe how living organisms are classified.Ch. 1.2 - Distinguish between the three domains of life.
Ch. 1.2 - Explain the role of supergroups in the...Ch. 1.2 - Describe the differences among a domain,...Ch. 1.2 - List the levels of taxonomic classification from...Ch. 1.2 - Explain why scientists assign species to a...Ch. 1.3 - Identify the components of the scientific method.Ch. 1.3 - Distinguish between a theory and a hypothesis.Ch. 1.3 - Prob. 3LOCh. 1.3 - Identify the role of the experimental variable in...Ch. 1.3 - Distinguish between the roles of the test group...Ch. 1.3 - Prob. 3CYPCh. 1.4 - Distinguish between science and technology.Ch. 1.4 - Summarize some of the major challenges facing...Ch. 1.4 - Explain how a new technology differs from a...Ch. 1.4 - Prob. 2CYPCh. 1.4 - Summarize how emerging diseases and climate change...Ch. 1 - Prob. 1ACh. 1 - Prob. 2ACh. 1 - The process that involves passing on genetic...Ch. 1 - 4. Which of the following includes prokaryotic...Ch. 1 - Prob. 5ACh. 1 - Prob. 6ACh. 1 - Prob. 7ACh. 1 - Prob. 8ACh. 1 - Prob. 9ACh. 1 - Prob. 10ACh. 1 - Prob. 11ACh. 1 - Prob. 12ACh. 1 - 1. Explain how model organisms make the study of...Ch. 1 - Suppose that we find a form of life on another...Ch. 1 - 3. You are a scientist working at a pharmaceutical...
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- What is the biological advantage to the sigmoidal binding curve of hemoglobin for oxygen? A. It ensures that hemoglobin has a high affinity for oxygen. B. It allows hemoglobin to bind oxygen irreversibly. C. It ensures that hemoglobin can bind oxygen only weakly. D. It allows hemoglobin to shift between low and high affinities for oxygen.arrow_forwardDraw an oxygen-hemoglobin dissociation curve. Put in the points that represent systemic venous and systemic arterial blood (ignore the rightward shift in systemic venous blood). What is the adaptive importance of the plateau? Of the steep portion? Hemoglobin saturation (%) 100 80 80 8 20 O 20 Systemic venous 40 60 80 Po₂ (mmHg) Fig. 13.26 Amount of O₂ unloaded in tissue capillaries Systemic arterial Рог 100 120 140arrow_forwardLike typical fish, the crocodile icefish still need and use oxygen for metabolism. Explain why only fish that evolved to live in cold waters, like the crocodile icefish, could lose hemoglobin? ( unlike terrestrial organisms, marine organisms like fish use oxygen dissolved in water.)arrow_forward
- What is the role of hemoglobin? A) It picks up CO2 and distributes it to the body B) It picks up O2 and distributes it to the body C) It picks up PO2 and distributes it to the body D) It picks up Hb and distributes it to the bodyarrow_forwardWhat would be the consequence of a deficiency of hemoglobin in our bodies?arrow_forwardMyoglobin levels are higher in Tibetans and other ethnic groups that live at high altitudes. Explain the benefit of higher myoglobin levels for individuals living at high altitudes.arrow_forward
- You are studying with a friend who is describing the Bohr effect. She tells you that in the lungs, hemoglobin binds oxygen and releases hydrogen ion; as a result, the pH increases. She goes on to say that in actively metabolizing muscle tissue, hemoglobin releases oxygen and binds hydrogen ion and, as a result, the pH decreases. Do you agree with her reasoning? Why or why not?arrow_forwardWhich of the following situations occurs if a person's blood becomes more alkaline? A. Hemoglobin molecules retain less oxygen per heme group under alkaline conditions than they do at neutral pH or under acidic conditions. B. Hemoglobin molecules give up oxygen more readily under alkaline conditions than they do under neutral pH or under acidic conditions. C. Hemoglobin molecules change shape and begin to lose oxygen molecules. D. Hemoglobin molecules retain oxygen more readily under alkaline conditions than they do at neutral pH or under acidic conditions. E. There is no change in hemoglobin's oxygen-binding affinity under alkaline conditions when compared to blood at neutral pH or under acidic conditions.arrow_forwardWhich statement describes hemoglobin's cooperativity? A. When tetrameric hemoglobin binds one molecule of O2, its shape changes to make it bind more readily to a second molecule of O2. B. When tetrameric hemoglobin binds one molecule of O2 its shape changes, which prevents binding of any more O2 molecules. C. When oxygen is present in the blood, the shape of hemoglobin changes to allow oxygen to bind to it. D. When the oxygen concentration in blood decreases, then hemoglobin changes its shape to retain oxygen more readily. E. None of the above answer choices correctly describes cooperativity.arrow_forward
- After spending a day or more at high altitude (with an oxygen partial pressure of 75 torr), the concentration of 2,3- bisphosphoglycerate (2,3-BPG) in red blood cells increases. What effect would an increased concentration of 2,3-BPG have on the oxygen-binding curve for hemoglobin? Why would this adaptation be beneficial for functioning well at high altitude?arrow_forwardWhich of the following describe(s) a characteristic or function of hemoglobin?a. Hemoglobin consists of four chains of amino acids.b. A hemoglobin molecule contains four iron ions to carry oxygen.c. In addition to transporting oxygen, hemoglobin molecules carry carbon dioxide and hydrogen ions.d. Hemoglobin is a protein found in all formed elements.e. There are four hemoglobin molecules in each red blood cell.arrow_forwardDescribe how the cooperative binding of hemoglobin allows for optimal oxygen delivery.arrow_forward
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