Yes, as scientists could figure out what might have changed in the variables she used. Brainliest me and I can give you the whole system.
        
                    
             
        
        
        
Answer:
Explanation:
"Primase is an enzyme that synthesizes RNA sequences called primers.  primase produces RNA molecules, the enzyme is a type of RNA polymerase."
Hope this helps :)
 
        
             
        
        
        
Answer: What is the defining characteristic of eukaryotic cells? Put these in your own words.
Eukaryotic cells are defined by the presence of a nucleus containing the DNA genome and bound by a nuclear membrane (or nuclear envelope) composed of two lipid bilayers that regulate transport of materials into and out of the nucleus through nuclear pores.
What types of organisms have eukaryotic cells?
There is a wide range of eukaryotic organisms, including all animals, plants, fungi, and protists, as well as most algae. Eukaryotes may be either single-celled or multicellular.
 
        
             
        
        
        
Answer:
b
Explanation:
animals need energy to survive basically to breakdown materials too