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Carriage of O2
Description
AS Level z Biology as (F211 - 2 - Exchange and Transport) Quiz on Carriage of O2, created by mountford.lottie on 01/02/2015.
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z biology as
f211 - 2 - exchange and transport
as level
Quiz by
mountford.lottie
, updated more than 1 year ago
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Created by
mountford.lottie
over 9 years ago
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Resource summary
Question 1
Question
What does each haemoglobin molecule consist of?
Answer
3 polypeptides and a haem group
An iron molecule
4 polypeptides and a haem group (with an iron molecule in)
Question 2
Question
Does the haem group have an affinity for oxygen?
Answer
Yes
No
Question 3
Question
How many oxygen molecules can each haemoglobin molecule hold?
Answer
2
4
8
Question 4
Question
Why do cells in the body tissues need oxygen?
Answer
anaerobic respiration
aerobic respiration
they don't
Question 5
Question
What does the ability of Hb to take up and release O2 depend on?
Answer
Oxygen tension
type of respiration
Question 6
Question
What shape would you expect an oxyhaemoglobin dissociation graph to be?
Answer
n
S
U
directly proportional to one another
Question 7
Question
What is the change in shape of the Hb molecule known as?
Answer
Conformational Change
Change of shape
Denaturation
Question 8
Question
Where do RBC's 'pick up' oxygen?
Answer
Lungs
Body tissues
Question 9
Question
Which part of the Hb molecule binds to the Oxygen?
Answer
Iron in the Haem group
an alpha polypeptide chain
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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