Answer:
CTAGCA
Explanation:
During DNA replication, the DNA double helix is unwound by DNA helices. Each original strand is then used as a template,  by the DNA polymerase, to synthesize a new strand. Base pairing rules apply in the synthesis. Cytosine pairs with Guanine while Adenine pairs with Thiamine. 
 
        
             
        
        
        
A community of plants and animals that live and interact together in a particular region is called an ecosystem.
        
             
        
        
        
Answer:
It has many functions, including delivering nutrients and oxygen. The four main components of blood are red blood cells, white blood cells, plasma, and platelets
 
        
             
        
        
        
<span>The reserves will eventually be used up. </span>