A group of compounds that pass electron from one to another via redox reactions coupled with the transfer of proton across a membrane to create a proton gradient that drives ATPsynthesis. It is located in the inner membrane of the mitochondria.
        
             
        
        
        
Answer:
750
Explanation:
30% of 2,500 is 750, therefore 750 calories is the maximum number one should get from fat each day.
 
        
             
        
        
        
Traits that are passed down on an X or a Y chromosome are sex-linked traits. Most of the time males are affected by sex-linked traits because males only have one X and a Y. The Y is the chromosome that makes a man, a man.
        
                    
             
        
        
        
A trait that can mask another trait is known as a dominant trait.