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