Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 33.1, Problem 1TC
Why doesn’t insect hemolymph need hemoglobin?
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Hemoglobin is essential for oxygen transmission why?
In addition to O2 binding, changes in other chemical conditions can result in changes in hemoglobin structure and function. Increases in blood H+ result in oxygen binding curves for hemoglobin that are shifted to the right. The effect of H+ can be understood in terms of the equilibrium:H-Hb+ + O2 → Hb-O2 + H+How does the difference in pH in the lungs and tissues help hemoglobin do its job of delivering oxygen? Use the equilibrium equation in your argument.
Chapter 33 Solutions
Biology
Ch. 33.1 - Why doesnt insect hemolymph need hemoglobin?Ch. 33.1 - Prob. 1CYLCh. 33.1 - compare open and closed circulatory systems?Ch. 33.1 - describe the functions of the vertebrate...Ch. 33.2 - Prob. 1CSCCh. 33.2 - Prob. 1TCCh. 33.2 - Prob. 1HYEWCh. 33.2 - describe the three types of vertebrate hearts and...Ch. 33.2 - Prob. 2CYLCh. 33.2 - Prob. 3CYL
Ch. 33.3 - Prob. 1TCCh. 33.3 - Prob. 2TCCh. 33.3 - describe each component of blood and explain its...Ch. 33.3 - Prob. 2CYLCh. 33.3 - explain the sequence of events during blood...Ch. 33.4 - Prob. 1TCCh. 33.4 - Prob. 2TCCh. 33.4 - Prob. 1CYLCh. 33.4 - Prob. 2CYLCh. 33.4 - Prob. 3CYLCh. 33.5 - Prob. 1TCCh. 33.5 - Prob. 1CSCCh. 33.5 - Prob. 1CYLCh. 33.5 - Prob. 2CYLCh. 33.5 - Prob. 3CYLCh. 33 - Prob. 1MCCh. 33 - Which of the following is True? a. Arteriole...Ch. 33 - Prob. 3MCCh. 33 - Prob. 4MCCh. 33 - Which of the following is true of blood pressure?...Ch. 33 - Prob. 1FIBCh. 33 - Prob. 2FIBCh. 33 - The hearts pacemaker is called the (complete term)...Ch. 33 - Prob. 4FIBCh. 33 - Prob. 5FIBCh. 33 - Prob. 6FIBCh. 33 - Lymph is ___________ that has entered lymphatic...Ch. 33 - List the major structures of all circulatory...Ch. 33 - Describe and compare the features of open and...Ch. 33 - Explain how two- and three-chambered vertebrate...Ch. 33 - Prob. 4RQCh. 33 - Prob. 5RQCh. 33 - Prob. 6RQCh. 33 - Prob. 7RQCh. 33 - Prob. 8RQCh. 33 - Describe the cardiac cycle, and relate the...Ch. 33 - Prob. 10RQCh. 33 - Prob. 11RQCh. 33 - Prob. 12RQCh. 33 - In what way do veins and lymphatic vessels...Ch. 33 - Prob. 1ACCh. 33 - Prob. 2AC
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- Which five statements about hemoglobin and myoglobin structure are true? Each iron atom can form six coordination bonds. Two of these bonds are formed between iron and oxygen. Molecular oxygen binds reversibly to Fe²+ in heme. Heme is composed of an organic protoporphyrin component and a metal atom. By itself, heme is not a good oxygen carrier. It must be part of a larger protein to prevent oxidation of the iron atom. Each hemoglobin or myoglobin molecule can bind four oxygen molecules. Hemoglobin is a heterotetramer, whereas myoglobin is a monomer. Both hemoglobin and myoglobin contain a prosthetic group called heme, which contains a central iron atom.arrow_forwardWhat color is deoxyhemoglobin? Why?arrow_forwardWhere does hemoglobin become oxyhemoglobin? O lungs O kidneys liver O heartarrow_forward
- In spiders, gas exchange is supplied by (mark all that apply) book lungs book gills Malpighian tubules epidermis tracheae spiracles green glands Home Depotarrow_forwardWhy does Fe2+ not fit perfectly into the center hemoglobin's heme pocket, while Fe3+ does ift perfectly into center hemoglobin's heme pocket? A) Fe2+ has a larger effective nuclear charge than Fe3+ . B) Fe2+ is to reactive to stably fit into hemoglobin's heme pocket. C) Fe2+ had a wrinkled shirt D) Fe2+ is repelled by the heme's coordinating nitrogens E) Fe3+ is denser and has a smaller ionic radius than Fe2+arrow_forwardName the red pigment carrying oxygen in blood.arrow_forward
- Briefly explain the pigment haemoglobin.arrow_forwardA type of tracheostomy tube that prevents speech is?arrow_forwardWhich of the following is TRUE about carbon dioxide binding to hemoglobin? Carbon dioxide carbamoylates the N-terminus, stabilizing the T-state Carbon dioxide binds to the central cavity in hemoglobin, stabilizing the T-state. Carbon dioxide, binds to the heme iron, stabilizing the T-state. None of the above are true. 1 UNANSWERED QUESTION 1/1 SKIP FOR NOW 14:03 / 14:11 MacBook Proarrow_forward
- Describe the structure of hemoglobin and How does the structure of hemoglobin allow it to combine with oxygen?arrow_forward73) The Haldane Effect says that it is easier for CO2 to bind to hemoglobin once oxygen has dissociated from the heme group. Group of answer choices True False 74) In the homeostatic regulation of blood oxygen levels, the central processor is the ________. Group of answer choices Blood Oxygen Levels CO2 Receptors Kidney Red Bone Marrow Lungs 75) Boyle’s Law states that there is a directly proportional relationship between the volume of a container and the pressure within that container. Group of answer choices False True 76) All Red Blood Cells are replenished at the same time. Group of answer choices True Falsearrow_forwardWhich of the following statements is correct of BOTH haemoglobin and myoglobin? Acidic conditions increase the affinity for oxygen. The iron atom of the heme prosthetic group is bound to nitrogen atoms at five of six coordination sites. Four oxygen molecules bind to each subunit. Quaternary structure is found in both haemoglobin and myoglobin. Both haemoglobin and myoglobin show the same oxygen binding affinity at differentarrow_forward
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