Flashcards
Haemoglobin
Cards in this deck (15)
- 1Where is Haemoglobin found?Red blood cells
- 2What type of structure does Haemoglobin have?Quaternary
- 3What is the role of Haemoglobin?To transport oxygen around the body
- 4How many oxygen molecules can one molecule of haemoglobin transport?4
- 5What does Haemoglobin and Oxygen form?Oxyhaemoglobin
- 6Where does the creation of Oxyhaemoglobin occur?The Lungs
- 7Where is the oxygen released?Respiring tissues
- 8Term describing 'Concentration' of a gas?Partial Pressure
- 9What causes different haemoglobins to have different affinities for O2?Different sequences of amino acids
- 10Two terms for the processes of haemoglobin combining with and releasing O2?Loading / Association;
Unloading/ dissociation - 11What direction does the O2 dissociation curve shift when CO2 levels increase? What is the name given to this effect?Right -->
Bohr effect - 12In the presence of CO2, what change happens to the haemoglobin molecule?Changes shape
- 13What happens to the affinity of haemoglobin for O2 in oxygen-poor conditions?Increases
- 14What happens to the affinity of haemoglobin for O2 in the presence of CO2?Reduces
- 15Which way does the curve shift in oxygen-poor conditions?Left
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- A-Level Biology (2.7 Exchange and Transport in organisms 1) Flashcards on Haemoglobin, created by Elena Cade on 28/04/2015.
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- Elena Cade
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