Answer:
Photosynthesis transforms light energy into chemical energy by making sugars. Cellular respiration releases the chemical energy from food by breaking down sugars.
 
        
             
        
        
        
I think the correct answer from the choices listed above is option A. The <span>type of mutation that would convert a proto-oncogene into an oncogene would be </span><span>a deletion of most of the proto-oncogene coding sequence. Hope this answers the question. Have a nice day.</span>