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Haemoglobin basics AQA A Level Biology Flashcards | StudBud

Explore/Haemoglobin basics AQA A Level Biology

Haemoglobin basics AQA A Level Biology

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Questions 6

Answers

1
How many molecules of oxygen can each bind
2
4
3
1
2
Where in the body does haemoglobin have a low affinity for oxygen?
Near respiring tissues
Near the lungs
3
Oxygen dissociation curve is S shaped because...
All four O2 molecules bind at the same time
First O2 molecule to bind makes it easier for next to bind
First O2 molecule to bind has no effect on next
First O2 molecule to bind makes it harder for next to bind
4
What shape is the oxygen dissociation curve?
'z' shaped
Sigmoid ('s')
'u' shaped
Linear
5
What type of biological molecule is haemoglobin?
Protein
Carbohydrate
Nucleic acid
Lipid
6
Where is haemoglobin found?
In red blood cells
In plasma (straw coloured fluid of the blood)
In white blood cells
In platelets