Question
                         
                            The primary function of vitamins is
                         
                            • to regulate various processes within cells.
                         
                            • to provide texture and flavor to foods.
                         
                            O raise the levels of low-density lipoproteins in the blood.
                         
                            O to serve as an important component of muscle.
                        
                    
                 
             
            
                
                    
                        
Answer
                        The primary function of vitamins is to regulate various processes within cells.