Part A: 
A - cell/plasma membrane.
B - Nucleus
C - mitochondrion
Part B:
A - (cell membrane) regulates what enters and leaves the cell.
B - (nucleus) controls cell activities or contains the genetic codes.
C - (mitochondrion) respiration or energy release or production of ATP.
Part C:
Photosynthesis
Production of cellulose
Produces chlorophyll
Producing its own food
Hope this helps you! (:
-PsychoChicken4040
        
                    
             
        
        
        
Via transacution , this means replacement of usual
        
                    
             
        
        
        
<span>During Michelle's 6th month of pregnancy, the eyes, ears, and nose form.</span>