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(8) Shown in the graph below is the O2 affinity of hemoglobin and myoglobin. Explain why...
1. Contrast the structure and function of myoglobin and hemoglobin. Describe the primary, secondary, tertiary and...
1. Contrast the structure and function of myoglobin and hemoglobin. Describe the primary, secondary, tertiary and quaternary structure of both proteins. Describe their motifs and domains if appropriate. 2. How similar are the mammalian hemoglobin and myoglobin (in terms of amino acid composition)? 3. Recall the functions and structure of leghemoglobins, chlorocruorins, hemerythrin and hemocyanin. In what organisms are those proteins found? How are this globins different from mammalian globins? 4. Not all O2 molecules bind to each of the...
8. Comparison of Fetal and Maternal Hemoglobins Studies of oxygen transport in pregnant mammals show that...
8. Comparison of Fetal and Maternal Hemoglobins Studies of oxygen transport in pregnant mammals show that the Oy-saturation curves of fetal and maternal blood are markedly different when measured under the same conditions. Fetal erythrocytes contain a structural variant of hemoglobin, HbF, consisting of two a and two y subunits (2972), whereas maternal erythrocytes contain HbA (292). HbF +BPG o 0.5 i HbA +BPG 2 4 6 8 10 pOg (kPa) (a) Which hemoglobin has a higher affinity for oxygen...
1. Fetal erythrocytes contain a structural variant of hemoglobin, HbF, consisting of two a and two y subunits (azy),...
1. Fetal erythrocytes contain a structural variant of hemoglobin, HbF, consisting of two a and two y subunits (azy), whereas maternal erythrocytes contain HbA (022). Consider the oxygen saturation curve shown below and answer the questions that follow: a) Which hemoglobin has a higher affinity for oxygen? Explain how you made that interpretation. +BPG 0.5 -BPG b) What is the physiological significance of the different 02 affinities? 8 10 4 6 po, kPa) 2. In the context of O, binding...
A. In the chart above, where the solid line represents the binding affinity of hemoglobin for...
A. In the chart above, where the solid line represents the
binding affinity of hemoglobin for oxygen with NO drug treatment.
Which curve above (dotted or dashed) represents
the affinity of hemoglobin of oxygen after drug treatment?
Explain.
B. How does the drug effect hemoglobin’s affinity for
O2 and how would this achieve the desired patient
result?
Increases Affinity, Decreases Affinity, No Change to Affinity?
Explain.
With hospital funding going down, local hospitals are looking for any way to cut...
2) We discussed in class how the molecule 2,3-bisphosphoglycerate (BPG) is an inhibitor of hemoglobin (Hb)....
2) We discussed in class how the molecule 2,3-bisphosphoglycerate (BPG) is an inhibitor of hemoglobin (Hb). Answer the following questions about BPG and its regulation of oxygen binding: a) Would BPG have any effect on myoglobin’s ability to bind or release oxygen? If so, describe how BPG would affect myoglobin. If not, why? b) Based on the observation that BPG binds preferentially to partially deoxygenated Hb, briefly explain (1-2 sentences) where BPG is most likely to be most effective on...
8) Explain why if maternal Hb was mutated to have a greater affinity for oxygen, the...
8) Explain why if maternal Hb was mutated to have a greater affinity for oxygen, the mother's developing fetus would likely not receive enough oxygen to meet its energy demands. Provide detail DO NOT give a simple answer. 9) Explain in detail how the selectivity "filter" of a potassium channel functions. 10) What is the charge of a calcium ion? Why is this value the specific charge for the ions of this element?
Return to Site (3 of 5) Using the data shown in the graph below determine which...
Return to Site (3 of 5) Using the data shown in the graph below determine which statement is correct. 100 0 Kd Kd 10 LI (uM) O The protein shown in binding curve B has a greater affinity for it's ligand as compared to the protein shown in binding curve A. OIf the IL] were 1 uM the percent saturation of A would be greater than B. O The percent saturation of A is expected to be greater than B...
Please help me answer these questions © © 110 | Amo 15% For Question #s 29-34,...
Please help me answer these questions
© © 110 | Amo 15% For Question #s 29-34, refer to the Hb-oxygen dissociation curve at right. 112 Percent hemoglobin saturation mL o, per 100 ml blood 10 20 30 40 50 60 70 80 Po, of blood (mm Hg) 90 100... up to 760 29. The characteristic sigmoid shape of the Hb-oxygen dissociation curve is due to what property of hemoglobin? (2 pts) 30. Identify the Hb Pso for this curve. (2...
D Question 7 1 pts The graph of a function is shown below Find the 02...
D Question 7 1 pts The graph of a function is shown below Find the 02 03 06 O-2 Questions 1 pts The graph of a function is shown below: Find all the given (a) -6 O24 06 O20 O2 Question 1 pts Atool rental store charges a tot fee of $8.50 to rent a drill press, and 56.50 for each day, including the first Use alaration to find the cost of renting the tool for one week 54550 55400...
(8 points) Consider the graph shown below. If the graph is orientable, the orient the edges...
(8 points) Consider the graph shown below. If the graph is orientable, the orient the edges so that the resulting digraph is strongly connected. If it is not orientable, then briefly explain why. A E D F B H с
8. Comparison of Fetal and Maternal Hemoglobins Studies of oxygen transport in pregnant mammals show that the Oy-saturation curves of fetal and maternal blood are markedly different when measured under the same conditions. Fetal erythrocytes contain a structural variant of hemoglobin, HbF, consisting of two a and two y subunits (2972), whereas maternal erythrocytes contain HbA (292). HbF +BPG o 0.5 i HbA +BPG 2 4 6 8 10 pOg (kPa) (a) Which hemoglobin has a higher affinity for oxygen...
1. Fetal erythrocytes contain a structural variant of hemoglobin, HbF, consisting of two a and two y subunits (azy), whereas maternal erythrocytes contain HbA (022). Consider the oxygen saturation curve shown below and answer the questions that follow: a) Which hemoglobin has a higher affinity for oxygen? Explain how you made that interpretation. +BPG 0.5 -BPG b) What is the physiological significance of the different 02 affinities? 8 10 4 6 po, kPa) 2. In the context of O, binding...
A. In the chart above, where the solid line represents the
binding affinity of hemoglobin for oxygen with NO drug treatment.
Which curve above (dotted or dashed) represents
the affinity of hemoglobin of oxygen after drug treatment?
Explain.
B. How does the drug effect hemoglobin’s affinity for
O2 and how would this achieve the desired patient
result?
Increases Affinity, Decreases Affinity, No Change to Affinity?
Explain.
With hospital funding going down, local hospitals are looking for any way to cut...
8) Explain why if maternal Hb was mutated to have a greater affinity for oxygen, the mother's developing fetus would likely not receive enough oxygen to meet its energy demands. Provide detail DO NOT give a simple answer. 9) Explain in detail how the selectivity "filter" of a potassium channel functions. 10) What is the charge of a calcium ion? Why is this value the specific charge for the ions of this element?
Return to Site (3 of 5) Using the data shown in the graph below determine which statement is correct. 100 0 Kd Kd 10 LI (uM) O The protein shown in binding curve B has a greater affinity for it's ligand as compared to the protein shown in binding curve A. OIf the IL] were 1 uM the percent saturation of A would be greater than B. O The percent saturation of A is expected to be greater than B...
Please help me answer these questions
© © 110 | Amo 15% For Question #s 29-34, refer to the Hb-oxygen dissociation curve at right. 112 Percent hemoglobin saturation mL o, per 100 ml blood 10 20 30 40 50 60 70 80 Po, of blood (mm Hg) 90 100... up to 760 29. The characteristic sigmoid shape of the Hb-oxygen dissociation curve is due to what property of hemoglobin? (2 pts) 30. Identify the Hb Pso for this curve. (2...
D Question 7 1 pts The graph of a function is shown below Find the 02 03 06 O-2 Questions 1 pts The graph of a function is shown below: Find all the given (a) -6 O24 06 O20 O2 Question 1 pts Atool rental store charges a tot fee of $8.50 to rent a drill press, and 56.50 for each day, including the first Use alaration to find the cost of renting the tool for one week 54550 55400...
(8 points) Consider the graph shown below. If the graph is orientable, the orient the edges so that the resulting digraph is strongly connected. If it is not orientable, then briefly explain why. A E D F B H с
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