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VVP Ch 7 Sample MCQs CORR- ANS KEY

VVP Ch 7 Sample MCQs CORR- ANS KEY - VVP Ch 7 Sample...

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VVP Ch 7 Sample Multiple Choice Questions – ANSWER KEY 1. Ans = E Æ sigmoidal curve is proof of cooperativity 2. Ans = E 3. Ans = a 4. Ans = B Æ for release of O 2 , Hb must have lowered affinity for O 2 - low pH (high [H + ], high [CO 2 ] & low pO 2 all lower Hb’s affinity for O 2 . 5. Ans = b Æ this is what causes it- HbS does not have a reduced affinity for O 2 6. Ans = c 7. Ans = A (lower pH, means higher [H + ] and means lower affinity of Hb for O 2 ) 8. Ans = D 9. Ans = A 10. Ans = E 11. Ans = d 12. Ans = e 13. Ans = D 14. Ans = A 15. Ans = D 16. Ans = B 17. Ans = B 18. Ans = e 19. Ans = E 20. Ans = e 21. Ans = B 22. Ans = E: Indicate which of the following are true of Hemoglobin: I. The Bohr effect results in lower [NO higher] affinity for O 2 at high pH Æ False II. The O 2 affinity for Hb increases with increasing P O2 Æ True III. Fetal Hb is identical in structure to maternal Hb Æ False = HbF has a α 2 γ 2 subunits structure whereas adult (the mothers) Hb has a α 2 β 2 subunit structure IV. Myoglobin and Hemoglobin have similar 3 o structure Æ True V.
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