1944679
Beschreibung
Quiz von mountford.lottie, aktualisiert more than 1 year ago
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Erstellt von mountford.lottie
vor fast 10 Jahre
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Frage 1
Frage
What does each haemoglobin molecule consist of?
Antworten
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3 polypeptides and a haem group
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An iron molecule
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4 polypeptides and a haem group (with an iron molecule in)
Frage 2
Frage
Does the haem group have an affinity for oxygen?
Antworten
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Yes
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No
Frage 3
Frage
How many oxygen molecules can each haemoglobin molecule hold?
Antworten
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2
-
4
-
8
Frage 4
Frage
Why do cells in the body tissues need oxygen?
Antworten
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anaerobic respiration
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aerobic respiration
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they don't
Frage 5
Frage
What does the ability of Hb to take up and release O2 depend on?
Antworten
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Oxygen tension
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type of respiration
Frage 6
Frage
What shape would you expect an oxyhaemoglobin dissociation graph to be?
Antworten
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n
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S
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U
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directly proportional to one another
Frage 7
Frage
What is the change in shape of the Hb molecule known as?
Antworten
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Conformational Change
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Change of shape
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Denaturation
Frage 8
Frage
Where do RBC's 'pick up' oxygen?
Antworten
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Lungs
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Body tissues
Frage 9
Frage
Which part of the Hb molecule binds to the Oxygen?
Antworten
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Iron in the Haem group
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an alpha polypeptide chain
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Haem in the iron group
Frage 10
Frage
The haemoglobin of a mammalian fetus has a lower affinity for oxygen than that of adult haemoglobin
Antworten
- True
- False
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