The binding of one molecule of oxygen to haemoglobin makes it easier for a second oxygen molecule to bind, explain why.

The binding of the first oxygen changes the tertiary structure of the haemoglobin. This uncovers the second binding site, allowing the second oxygen to bind.

AT

Related Biology A Level answers

All answers ▸

Describe the passage of blood through the left side of the heart. Include the names of the valves between the chambers.


What is the difference between mitosis and meiosis?


What is the process of DNA replication?


If the concentration of testosterone in a man’s blood starts to rise above normal, this system leads to a reduction in testosterone. How does this occur?