A) be unable to maintain homeostasis
        
                    
             
        
        
        
Answer:
The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Explanation: hydrogen bonds
 
        
             
        
        
        
I do not know but does it depend on how big or what the temperature is