I got x=-6
I'm not sure if that's right 
 
        
             
        
        
        
Answer: 
All the three statements about maltose are correct. 
Explanation: 
1) Maltose is formed from the combination of two same type of monosaccharide i. e. two glucose molecules. 
2) Maltose is soluble in water. Its solubility value is 1.080 g/mL. 
3) Maltose is a reducing sugar because it act as a reducing agent due to the presence of aldehyde group with glucose molecules. 
 
        
                    
             
        
        
        
Answer:
NA+ gates open and flow into the Sarcolemma of the muscle fiber.