The answer is letter B has commercial uses such as Alcohol production and bread making. 
        
                    
             
        
        
        
changes of state are physical changes. they occur when matters absorb or loses energy. processes in which matter changes between liquid and solid states are freezing and melting period processes and which matter change between liquid and gases states are vaporization, evaporation, and condensation
 
        
             
        
        
        
Answer:
Pyruvate; Cytoplasm
Explanation:
Glucose breaks down to pyruvate in the cell cytoplasm upon signal by the hormone insulin in the presence of excess glucose in the blood system through the glycolytic pathway 
 
        
             
        
        
        
Answer:
phospholipids, sterols, and triglycerides
Explanation:
Phospholipids make up the outermost layer of cells in the bodies of both animals and humans. They create a protective layer around the cells to help maintain them.
Sterols are a subset of steroids, a type of hormone.
Triglycerides are the fats and oils that you are familiar with in foods. This type of lipid can be saturated or unsaturated, which is part of what makes them solid or liquid, respectively, at room temperature.