What Enzymes Are Involved in DNA Replication?


Quick Answer

Many enzymes are involved in DNA replication, including DNA helicase, DNA polymerase, topoisomerase, DNA gyrase, DNA ligase, primase and telomerase. Replication is a complex process with many steps, all of which require enzymes specifically made for each particular step in the reaction.

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Full Answer

Like nearly all cellular functions, DNA replication involves a series of chemical reactions. Enzymes are proteins manufactured by the cell for the specific purpose of allowing a particular chemical reaction to take place rapidly and efficiently. For example, the enzyme maltase is shaped precisely to accept a maltose molecule and break it down into two molecules of glucose. The enzyme is not consumed in the process and can be used repeatedly.

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