The answer is B. Enzymes.
Enzymes are biological catalysts that help cause reactions in your body.
        
             
        
        
        
Answer:
Metallic compound
Explanation:
 Metallic compound - 
A metallic compound refers to the species having at least one metal, is known  as a metallic compound.
In general a metallic compound consists of two ions, a positive ion or the cation, is is basically a metal, and, 
a negative ion or an anion, which is a non - metal.
Hence, from the given statement of the question, 
The correct answer is - metallic compound.  
 
        
             
        
        
        
Answer:
The DNA is in the nucleus.
Explanation:
The nucleus is the power house of the cell, the little sting things inside are the strands of DNA.