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Exam (elaborations)

BIO 270 HYND EXAM 3 STUDY GUIDE SOLUTIONS

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  • Bio 270

BIO 270 HYND EXAM 3 STUDY GUIDE SOLUTIONS (T/F) The O2-Hb dissociation curve is static - ANSWER-False, it is not static Steep between "20-60" Flat between "60-100" ______________ is the main determinant of # of Hb binding sites - ANSWER- What component of hemoglobin actually binds the oxygen?...

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  • October 30, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Bio 270
  • Bio 270
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©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




BIO 270 HYND EXAM 3 STUDY GUIDE

SOLUTIONS


(T/F) The O2-Hb dissociation curve is static - ANSWER✔✔-False, it is not static


Steep between "20-60"


Flat between "60-100"


______________ is the main determinant of # of Hb binding sites - ANSWER✔✔-


What component of hemoglobin actually binds the oxygen? - ANSWER✔✔-Fe+


Since the blood goes leaves the lungs with pO2 =100, what does this mean for its affinity? - ANSWER✔✔-

Almost fully saturated (around ~ 97%)


What does the plateau portion of the O2-Hb curve tell you? - ANSWER✔✔-Hb is almost fully saturated




If there is a drop in O2, they will still be almost completely saturated until 60mmHg when the graph gets

steep




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, ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




Methods of Gas Transport in the Blood:




O2: 2 steps


Dissolved-1.5%


Bound to Hemoglobin-98.5%




CO2: 3 steps


Dissolved-10%


Bound to Hemoglobin-30%


As Bicarbonate- 60% - ANSWER✔✔-KNOW NUMBERS


_________________ ___________ catalyzes this reaction (H2CO3) in the RBC's - ANSWER✔✔-Carbonic

Anhydrase


What law explains why soda goes flat? - ANSWER✔✔-Henry's law


Most of the atmosphere is made up of what gas? - ANSWER✔✔-Nitrogen (79%)




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