1.)<span>a. antibodies
 2.)</span><span>b. its mechanism is well understood</span>
        
             
        
        
        
The organelle which labelled A is C. golgi apparatus
        
                    
             
        
        
        
Alcoholic fermentation; carbon dioxide. Alcoholic fermentation produces alcohol and carbon dioxide in bread. The alcohol evaporates during the baking process.