Answer:
It's AUC. 
Thymine is substituted by Uracile in RNA and it's complementary to Adenine. Citosine is complementary to Guanine 
 
        
             
        
        
        
The stem of the plant should be cut at least three to four inches above the surface level.
The glass capillary should be tightly fixed with the stem.
The initial water level and the final water level should be carefully noted.
The droplets on the leaves should be observed and conclude that these drops are not from transpiration. 
        
             
        
        
        
A. the mitochondria and chloroplasts are much different in structure than bacteria