Haemoglobin Flashcards
What is the mass transport system in animals?
The circulatory system
What do mass transport systems ensure?
The efficient movement of substances throughout an organism
Where is human haemoglobin found?
In red blood cells
What is the role of haemoglobin?
To carry oxygen around the body
What is haemoglobin?
A large protein with a quaternary structure made up of 4 polypeptide chains
What does chain have?
A haem group
What do haem groups contain?
An iron ion
What can each molecule of human haemoglobin carry?
Four oxygen molecules
In the lungs, what does the joining of oxygen and haemoglobin form?
Oxyhemoglobin
What does the affinity for oxygen mean?
The tendency a molecule has to bind with oxygen
What is partial pressure of oxygen a measure of?
Oxygen concentration
