<span>4 molecules of oxygen. Haemoglobin is a protein found in the red blood cells, which carries oxygen to the cells to perform cellular respiration. Each red blood cell carries around 250 million haemoglobin. So the entire capacity of an RBC is around 1 billion oxygen molecules.</span>
It is important because they are used to produce sugar during the dark reaction
When it freezes ..................
Answer:
D
Explanation:
The phosphofructokinase-1 reaction is endergonic.