True: Enzymes are proteins, Enzymes are made of long chains of amino acids, Enzymes are catalysts, Enzymes speed up reactions, Enzymes can denature, Enzymes can do the same job over and over again, False: Enzymes can only be used once, Enzymes end in ...ise, One enzyme can speed up lots of different sorts of reactions, Enzymes are nucleic acids, Enzymes slow down reactions, Enzymes are not affected by pH,

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