Answer:
I think the answer is the first one I might be wrong 
Explanation:
 
        
                    
             
        
        
        
A disaccharide (also called a double sugar or biose[1]) is the sugar formed when two monosaccharides (simple sugars) are joined. Like monosaccharides, disaccharides are soluble in water. Three common examples are sucrose, lactose,[2] and maltose.          
Disaccharides are formed by the condensation reactions of two simple sugar molecules.
        
             
        
        
        
Beneath the dermis, and is mainly used for fat storage
        
             
        
        
        
Carbon can form single, double, and triple bonds with other carbon atoms.
 
        
             
        
        
        
1. Is A 
2 Is B
Because A and T in the DNA sequence goes together so they both have to have the same amount same goes for C and G