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  1. G

    Is zinc ion a cofactor or coenzyme in alcohol dehydrogenase?

    Homework Statement Alcohol dehydrogenase is an enzyme that catalyzes the catabolism of ethanol (an alcohol). In order to function, the enzyme requires a zinc ion (Zn++). What is the best description of Zn++ in relation to alcohol dehydrogenase? The zinc ion also acts as an enzyme...
  2. G

    RNA Polymerase: Formation, Functions, Characteristics

    Homework Statement An enzyme called "RNA polymerase" catalyzes the formation of messenger RNAs. Therefore, we know that each RNA polymerase molecule: Homework Equations a.could be classified as a nucleic acid. b.can participate in mRNA formation multiple times. c.is found only in...
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