Gas Carriage - Oxygen
Authored by Steve Fenby
Biology
University
Used 1+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is oxygen carried in blood?
1.5% dissolved in plasma, 98.5% carried by haemoglobin
98.5% dissolved in plasma, 1.5% carried by haemoglobin
100% carried by haemoglobin
90-98% carried by haemoglobin
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What molecule in haemoglobin binds to oxygen?
Alpha globin protein
Beta globin protein
Iron
phosphate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is co-operative binding?
Oxygen binding promotes the RELAXED state in neighbouring globin molecules
Oxygen binding promotes the TENSE state in neighbouring globin molecules
Carbon Dioxide binding changes the structure from TENSE to RELAXED
Carbon Dioxide binding changes the structure from RELAXED to TENSE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What state would haemoglobin be in when the partial pressure of oxygen was high?
Relaxed, more oxygen would be released
Relaxed, less oxygen would be released
Tense, more oxygen would be released
Tense, more oxygen would be released
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What state would haemoglobin be in when carbon dioxide was high(low acidity)?
Relaxed, more oxygen would be released
Relaxed, less oxygen would be released
Tense, more oxygen would be released
Tense, less oxygen would be released
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