Draw a diagram that shows the saturation of the two proteins hemoglobin and myoglobin as a...
Draw a diagram that shows the saturation of the two proteins
hemoglobin and myoglobin as a function of the oxygen pressure. Use
that diagram to describe how these characteristics of these two
proteins allow oxygen to be taken up by hemoglobin from the air,
and passed on to myoglobin.
Describe how the increased concentration of carbon dioxide in
heavily exercising muscle tissue can improve the transport of
oxygen to myoglobin.
Homework Answers
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Draw a diagram that shows the saturation of the two proteins
hemoglobin and myoglobin as a...
1. How can hemoglobin deliver oxygen to myoglobin in muscle tissue cells? (use oxygen binding curve,...
1. How can hemoglobin deliver oxygen to myoglobin in muscle tissue cells? (use oxygen binding curve, T-state and R-state, sigmoidal, cooperativity, Bohr effect, carbon dioxide, and 2,3-BPG)
Heme is the iron-containing structure in the proteins hemoglobin and myoglobin. In red blood cells, hemoglobin...
Heme is the iron-containing structure in the proteins hemoglobin and myoglobin. In red blood cells, hemoglobin enables oxygen uptake and transport. Myoglobin in muscle cells helps oxygen enter the cells. The oxygen carried by hemoglobin and myoglobin is critical for energy production. Because meat contains hemoglobin and myoglobin, beef, fish, and poultry contain more heme iron than most plant foods. The remaining iron in meat, as well as all the iron in vegetables, grains, dietary supplements, and fortified or enriched...
2. Compare and contrast the structural and functional properties of myoglobin and hemoglobin. How do they...
2. Compare and contrast the structural and functional properties of myoglobin and hemoglobin. How do they ensure that each plays their appropriate physiological role. Use this figure in your discussion. Justify your answer. (10 points) Working muscle Resting muscle 100 80 Myoglobin 60 Percent O, saturation Hemoglobin 40 20 Venous pO2 Arterial po, 0 20 100 120 40 60 80 Partial pressure of oxygen (po,, torr) C. 5. What is an epimer? In the following structures indicate the two structures...
1- Describe two attributes that are different for hemoglobin and myoglobin; focus on characteristics that are...
1- Describe two attributes that are different for hemoglobin and myoglobin; focus on characteristics that are a direct consequence of differences in tertiary and/or quaternary structure. For each attribute, be sure to specifically explain how 3° and 4° organization impacts the described differences. 2- The kinetics of an enzyme (E)-catalyzed reaction are measured over a range of substrate (S) concentrations in the presence or absence of a reversible inhibitor (I). The total enzyme concentration is 10 uM, and the inhibitor...
PCO, (partial pressure of carbon dioxide) pO2 (partial pressure of oxygen) Hemoglobin - O, saturation [HCM]...
PCO, (partial pressure of carbon dioxide) pO2 (partial pressure of oxygen) Hemoglobin - O, saturation [HCM] 40 mm Hg 90 - 100 mm Hg 94 - 100% 24 meq/liter Case study 1: A 14-year-old girl with cystic fibrosis has complained of an increased cough productive of green sputum over the last week. She also complained of being increasingly short of breath, and has sounds in her lungs on physical examination. Arterial blood was drawn and sampled, revealing the following values:...
1) Select all that apply. Globular proteins: a)are found in hair and wool. b)include myoglobin and...
1) Select all that apply. Globular proteins: a)are found in hair and wool. b)include myoglobin and collagen. c)are usually water soluble. d)aggregate in aqueous media. e)are often made of β-pleated sheet and α-helix sections wrapped into compact structures. 2) Select all that apply. The Bohr effect: a)depends on the atomic orbital structure of hydrogen. b)can be summarized as a reduction in the oxygen affinity of hemoglobin with decreasing pH. c)is explained by the protonation of key amino acids, including the...
The melting point, is propor- tional to the number of hydrogen bonds Which one has the...
The melting point, is propor- tional to the number of hydrogen bonds Which one has the most (highest melting point) versas the least. In one plot, draw melting curves for two double strand DNA molecules A and B. Both DNA molecules have the same length of 1000 base pairs. Which DNA duplex has higher melting point and why? DNA molecule A is formed by poly A and poly U strands. DNA molecule B is formed by poly G and poly...
The partial pressure of oxygen in the lung alveoli is a bit lower than in ambient...
The partial pressure of oxygen in the lung alveoli is a bit lower than in ambient air, being about 100 mm of mercury, or 0.13 Atm (it is lower than the partial pressure in air mainly because oxygen is continually taken up by the alveolar capillaries and carbon dioxide is continually released into the alveoli). In cell-free blood plasma (or a saline solution formulated to match key characteristics of blood plasma), which lacks red blood cells and therefore lacks hemoglobin,...
biochemistry if you could please help me answer the following questions! EFT i 11) (6 pts)...
biochemistry
if you could please help me answer the following questions!
EFT i 11) (6 pts) Which types of symmetry are possible for a protein with six (6) identical subunits? (Select all correct answers) a) cyclic C b) cyclic C3 c) dihedral D2 d) dihedral D e) octahedral o f) icosahedral ро, Yo₂ - pO₂+ Pso 12) (6 pts) What is the fractional saturation of oxygen binding to myoglobin when the partial pressure of oxygen is 1.5 torr and dissociation...
annel presse ich label in the graph represents saturation of the came according to the orph...
annel presse ich label in the graph represents saturation of the came according to the orph as the number of glucose molecules increase the rate of dit increases indefinitely decreases increases until a plateau isreich can either increase or decrease cremains the same The figure below shows the process of receptor-mediated endocytosis. Which of the lowing statements regarding this process is a brane by facilita Juve hydrop soncu a. Receptor-mediated endocytosis requires receptor proteins located on the cell's surface b....
2. Compare and contrast the structural and functional properties of myoglobin and hemoglobin. How do they ensure that each plays their appropriate physiological role. Use this figure in your discussion. Justify your answer. (10 points) Working muscle Resting muscle 100 80 Myoglobin 60 Percent O, saturation Hemoglobin 40 20 Venous pO2 Arterial po, 0 20 100 120 40 60 80 Partial pressure of oxygen (po,, torr) C. 5. What is an epimer? In the following structures indicate the two structures...
PCO, (partial pressure of carbon dioxide) pO2 (partial pressure of oxygen) Hemoglobin - O, saturation [HCM] 40 mm Hg 90 - 100 mm Hg 94 - 100% 24 meq/liter Case study 1: A 14-year-old girl with cystic fibrosis has complained of an increased cough productive of green sputum over the last week. She also complained of being increasingly short of breath, and has sounds in her lungs on physical examination. Arterial blood was drawn and sampled, revealing the following values:...
The melting point, is propor- tional to the number of hydrogen bonds Which one has the most (highest melting point) versas the least. In one plot, draw melting curves for two double strand DNA molecules A and B. Both DNA molecules have the same length of 1000 base pairs. Which DNA duplex has higher melting point and why? DNA molecule A is formed by poly A and poly U strands. DNA molecule B is formed by poly G and poly...
biochemistry
if you could please help me answer the following questions!
EFT i 11) (6 pts) Which types of symmetry are possible for a protein with six (6) identical subunits? (Select all correct answers) a) cyclic C b) cyclic C3 c) dihedral D2 d) dihedral D e) octahedral o f) icosahedral ро, Yo₂ - pO₂+ Pso 12) (6 pts) What is the fractional saturation of oxygen binding to myoglobin when the partial pressure of oxygen is 1.5 torr and dissociation...
annel presse ich label in the graph represents saturation of the came according to the orph as the number of glucose molecules increase the rate of dit increases indefinitely decreases increases until a plateau isreich can either increase or decrease cremains the same The figure below shows the process of receptor-mediated endocytosis. Which of the lowing statements regarding this process is a brane by facilita Juve hydrop soncu a. Receptor-mediated endocytosis requires receptor proteins located on the cell's surface b....
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