Enzyme responsible for replacing RNA primers with DNA is a type of: DNA ligase. The enzyme responsible for proofreading a growing DNA strand and for replacing mismatched nucleotides is:helicase.
        
             
        
        
        
A repeated series of independent experiments where there is only two possible outcomes (Normally called "Success" or "Failure") 
Examples: When you flip a coin. Out comes: head or tails
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 <span>It has the advantage that only when the substrate is presence the genes responsible for its metabolism are turned on.</span>