Homework Answers
The following conditions increase the hemoglobin affinity for oxygen;
- Hypothermia
- Alkalosis
(As hypercapnia causes acidosis which in turn decreases the affinity and high temperature also decreases the affinity)
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Question 39 Which conditions increase the hemoglobin affinity for oxygen? Select all that apply Hypothermia O...
affinity of oxygen and hemoglobin and so 02 delivery to the tissues. affinity of oxygen to...
affinity of oxygen and hemoglobin and so 02 delivery to the tissues. affinity of oxygen to hemoglobin and so decreased 02 delivery to ti uestion 5 blood levels of CO2 can create which of the following effects on blood chemistry and breathing reflexes? Excessive H+ in blood results in acidosis which triggers increased breathing rates An increase in H+ ions leads to an increase in pH and thus alkalosis and an increase in breathing. HC03-ions lead to alkalosis of the...
please explain 3) Consider this figure, which shows oxygen binding to hemoglobin under various conditions. 1.0...
please explain
3) Consider this figure, which shows oxygen binding to hemoglobin under various conditions. 1.0 B 0.5 po2 a) If B is normal hemoglobin what could lead to curve hemoglobin A. (2 pt) b) If B is normal hemoglobin what could lead to curve hemoglobin C. (2 pt) c) Which curve shows the hemog Iobin with the highest O2 affinity? (2 pt) d) Which curve shows the hemoglobin with the lowest Pso? (2 pt) (Saturation
Which of the following reduces the affinity of normal hemoglobin for O2? O binding of 2,3-biphosphoglycerate...
Which of the following reduces the affinity of normal hemoglobin for O2? O binding of 2,3-biphosphoglycerate (BPG) decrease in temperature increase in pH decrease in H+ concentration decrease in CO2
biochemistry Question 2.(12 pts) O2 binding to Fe? in one subunit of hemoglobin changes the binding affinity of the...
biochemistry
Question 2.(12 pts) O2 binding to Fe? in one subunit of hemoglobin changes the binding affinity of the other 3 subunits. a. Describe the change in the shape of the heme that results in O2 binding. Page 4/7 b. How is the heme shape change communicated to the other subunits c. What is the role of Bisphosphoglycerate (BPG) in hemoglobin mediated oxygen transport? Question 3.(9 pts) You need to make up a 600 ml of a 40 mM solution...
A. . Hyperpnea would result in ___________________________ within the blood. an increase in both Pressure (oxygen)...
A. . Hyperpnea would result in ___________________________ within the blood. an increase in both Pressure (oxygen) and Pressure (carbon dioxide) 2. Decreased Pressure (carbon dioxide) results in an increase in blood pH levels. Both of these conditions result in a shift of the oxygen-hemoglobin dissociation curve to the ______________________. This shift _______________ hemoglobin’s affinity for oxygen. select 3. Increased levels of 2,3 BPG occur in response to decreased blood pH levels. With all other variables unchanged, an increased concentration of...
SELECT ALL THAT APPLY. Which of the following atoms or molecules help comprise the heme center...
SELECT ALL THAT APPLY. Which of the following atoms or molecules help comprise the heme center of the proteins myoglobin and hemoglobin? A. Nitrogen B. Proximal Histidine C. Distal Histidine D. Oxygen
Which of the following binding will decrease binding of O, to hemoglobin? Select one: a. all...
Which of the following binding will decrease binding of O, to hemoglobin? Select one: a. all of the listed b. CO2 c. BPG d. CO e. H+ де
QUESTION 17 Which of the following are redox reactions (select all that apply)? Mg + Cl2...
QUESTION 17 Which of the following are redox reactions (select all that apply)? Mg + Cl2 - MgCl2 O H2+02-H20 u C3H6+02- CO2 + H20 UKCI + Ca(NO3)2 – KNO3 +CaCl2 QUESTION 18 Which element is being OXIDIZED in the following reaction? 4HCI + O2-2012 + 2H20 Hydrogen O Chlorine Oxygen O None of the above
21. What are the characteristics of the carbonic acid-bicarbonate buffer system (select all that apply? a...
21. What are the characteristics of the carbonic acid-bicarbonate buffer system (select all that apply? a CO2 is eliminated by the lungs b. Neutralizes HCl acid to yield carbonic acid and salt c. H2CO3 formed by neutralization dissociates into H2O and CO2 d. Shifts H+ in and out of cell in exchange for other cations such as potassium and sodium e. Free basic radicals dissociate into ammonia and OH-, which combines with Ho to form water 22. What are characteristics...
Which of the following balances increase when their accounts are debited? (select all that apply -...
Which of the following balances increase when their accounts are debited? (select all that apply - i.e. just one or as many as all of them) Rent revenue Prepaid rent A contra-asset account Inventory A contra-revenue account Accrued interest payable O A contra-expense account Cost of goods sold
affinity of oxygen and hemoglobin and so 02 delivery to the tissues. affinity of oxygen to hemoglobin and so decreased 02 delivery to ti uestion 5 blood levels of CO2 can create which of the following effects on blood chemistry and breathing reflexes? Excessive H+ in blood results in acidosis which triggers increased breathing rates An increase in H+ ions leads to an increase in pH and thus alkalosis and an increase in breathing. HC03-ions lead to alkalosis of the...
please explain
3) Consider this figure, which shows oxygen binding to hemoglobin under various conditions. 1.0 B 0.5 po2 a) If B is normal hemoglobin what could lead to curve hemoglobin A. (2 pt) b) If B is normal hemoglobin what could lead to curve hemoglobin C. (2 pt) c) Which curve shows the hemog Iobin with the highest O2 affinity? (2 pt) d) Which curve shows the hemoglobin with the lowest Pso? (2 pt) (Saturation
Which of the following reduces the affinity of normal hemoglobin for O2? O binding of 2,3-biphosphoglycerate (BPG) decrease in temperature increase in pH decrease in H+ concentration decrease in CO2
biochemistry
Question 2.(12 pts) O2 binding to Fe? in one subunit of hemoglobin changes the binding affinity of the other 3 subunits. a. Describe the change in the shape of the heme that results in O2 binding. Page 4/7 b. How is the heme shape change communicated to the other subunits c. What is the role of Bisphosphoglycerate (BPG) in hemoglobin mediated oxygen transport? Question 3.(9 pts) You need to make up a 600 ml of a 40 mM solution...
Which of the following binding will decrease binding of O, to hemoglobin? Select one: a. all of the listed b. CO2 c. BPG d. CO e. H+ де
QUESTION 17 Which of the following are redox reactions (select all that apply)? Mg + Cl2 - MgCl2 O H2+02-H20 u C3H6+02- CO2 + H20 UKCI + Ca(NO3)2 – KNO3 +CaCl2 QUESTION 18 Which element is being OXIDIZED in the following reaction? 4HCI + O2-2012 + 2H20 Hydrogen O Chlorine Oxygen O None of the above
21. What are the characteristics of the carbonic acid-bicarbonate buffer system (select all that apply? a CO2 is eliminated by the lungs b. Neutralizes HCl acid to yield carbonic acid and salt c. H2CO3 formed by neutralization dissociates into H2O and CO2 d. Shifts H+ in and out of cell in exchange for other cations such as potassium and sodium e. Free basic radicals dissociate into ammonia and OH-, which combines with Ho to form water 22. What are characteristics...
Which of the following balances increase when their accounts are debited? (select all that apply - i.e. just one or as many as all of them) Rent revenue Prepaid rent A contra-asset account Inventory A contra-revenue account Accrued interest payable O A contra-expense account Cost of goods sold
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