The scientific theory contains many steps. It could also be known as a hypothesis. Hope this is helpful
        
             
        
        
        
Answer:
Smooth Muscle Definition Smooth muscle is a type of muscle tissue which is used by various systems to apply pressure to vessels and organs. Smooth muscle is composed of sheets or strands of smooth muscle cells. These cells have fibers of actin and myosin which run through the cell and are supported by a framework of other proteins.
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Laboratory helps you identify things rather than the others using controlled variables 
        
                    
             
        
        
        
Barbara have both alleles that are dominant. It is because all the
letters for the genotype of the trait are capitalized. It might be that
both of her parents have at least one dominant allele each