True or false Q2. Circle true or false for each statementni bavlovni smyno sto siqm6x9 п6 21 9bimsoqu1) T F Oxygen binds reversibly to Fe2+ in a porphyrin ring tightlyund to hemoglobin (Hb) and myoglobin (Mb).gnitnsino2) T_F_The porphyrin ring in hemoglobin and myoglobin is made offour imidazole rings linked by methylene bridges.3) Tr FCOxygen only binds to the heme with iron in its oxidized state.4) T F Myoglobin is a dimeric protein made of two monomers eachheme group.tal histidine into the916 Containing 8 a-helices and one5) T F Formation of planar heme pulls the distal392 X 910 1911 10 231110 26/1 Ulb J16/20plane of the heme6) T F Direction of reaction needs to be defined when writing (erequilibrium constants Vsne ns ni benistdo zi 9161 16mixam 9medt tot tristanoo 961 1910 boo92 6 imT(OS7) T F When a binding reaction is at equilibrium, the rates of-m²association and dissociation don't change.3

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Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter38: Respiration

Section: Chapter Questions

Problem 2CT

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At 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 level
Determin the respiratory exchange ratio of C18H36O2(s) + 26O2(g) → 18CO2(g) + 18H2O(l)
Predict Hb's affinity for oxygen at different conditions in the blood (in the lungs, in the tissues, pH changes, low & high oxygen levels, 2,3-BPG, fetal Hb)? I need help answering this question
Please answer fast Q 1.Can you answer this in detail please and for the compare and contrast one, can you make it like a table please? Thank you so much a.Explain the anatomical organization of respiratory and circulatory systems and how they are functionally related. b.Describe the evolution of lungs from a gas bladder precursor. c.Compare and contrast the gross and microscopic anatomy and physiology of respiratory exchange organs of fish, frogs and mammals. d.Compare and contrast the anatomy and physiology of the lower respiratory organs of Tetrapods.
21. A 20% increase in which of the following would be most effective in achieving the greatest increase in oxygen content of pulmonary capillary blood in a perfectly homogeneous lung inhaling air at sea level? A) Cardiac output B) Hemoglobin concentration C) Hemoglobin P50 D) Inspired O2 concentration E) Ventilation Please explain the reasoning for each choice. I understand that other choices says its D but please tell me why it's not the other.
1. a) True or False - A mutation in the beta globin gene that causes conversion of His146 to Glutamate would decrease Hemoglobin’s O2 binding affinity. b) True or False - A mutation in the beta globin gene that causes conversion of His146 to Glutamate would eliminate Hemoglobin’s positive cooperativity.
21. Which of the following best describes the Bohr Effect? Group of answer choices The regulation of oxygen binding in hemoglobin by carbon dioxide and hydrogen ions. Refers to the atomic orbitals of oxygen. The binding of oxygen to hemoglobin is cooperative. The effect of 2,3-BPG upon hemoglobin or myoglobin.
Oxygen enters the blood in the lungs because relative to alveolar air: a. the CO2 concentration in the blood is high. b. the CO2 concentration in the blood is low. c. the O2 concentration in the blood is high. d. the O2 concentration in the blood is low. e. the process is independent of gas concentrations in the blood.
2. The oxygen diffusion capacity of high-altitude natives is about A. 5-10 percent greater than predicted B. 10-15 percent greater than predicted C. 15-20 percent greater than predicted D. 20-25 percent greater than predicted
A molecule of hemoglobin ________. is shaped like a biconcave disk packed almost entirely with iron contains four glycoprotein units studded with oxygen consists of four globin proteins, each bound to a molecule of heme can carry up to 120 molecules of oxygen
Q2) The world standard for tiny particles in air with the thickness of more than 2.5 micrometer is 50 μm/ m3 , if risk factor for these particles to be 0.85 .what microgram of these particle will be penetrated to lungs in each breathing containing 0.5 Litter of air ?..
1. Is this statement correct or incorrect? Explain. During strenuous exercise, the oxygen-hemoglobin dissociation curve shifts to the right. This rightward shift reflects an increase in the affinity of hemoglobin for oxygen and favors loading of O2 onto hemoglobin in the lungs. 2. Is this statement correct or incorrect? Explain. Compared to hemoglobin, myoglobin has a lower binding affinity for O2 and a higher O2 binding capacity, two characteristics that allow myoglobin to efficiently provide skeletal muscle cells with a readily-accessible reservoir of O2.

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