The Iron in the molecule binds to the oxygen. Carbon Dioxide does not bind to a cell but rather, is carried in the blood as bicarbonate. 
        
             
        
        
        
The answer is the last one. Removing from drills. It’s a non renewable source.
        
                    
             
        
        
        
Answer:
Explanation:
The source of the energy required to regenerate ATP is the chemical energy stored in food (e.g. glucose). The cellular process of releasing energy from food through a series of enzyme-controlled reactions is called respiration . Some of the energy released is used to produce ATP.
 
        
             
        
        
        
Answer: d
Explanation:
A plant cell has a plant wall so a and b can be disregarded. Mitosis ends with a cleavage factor dividing the cell in two so d represents the last stage