DNA Polymerase I (or Pol I) is an enzyme that participates in the process of DNA replication.Discovered by Arthur Kornberg in 1956, it was the first known DNA polymerase (and, indeed, the first known of any kind of polymerase). It was initially characterized in E. coli and is ubiquitous in prokaryotes.rom Wikipedia, the free encyclopedia. DNA Polymerase I (or Pol I) is an enzyme that participates in the process of DNA replication. Discovered by Arthur Kornberg in 1956, it was the first known DNA polymerase (and, indeed, the first known of any kind of polymerase).
Definition of Total Expense Ratio Total expense ratio (TER) is the ratio between total fund costs and total fund assets. It provides information regarding total costs involved annually for investment funds.
What it is: The expense ratio is the recurring management fees for a mutual fund. A fund company charges its fund holders the expense ratio each year (expressed in terms of a percentage of the fund's assets).ow it works/Example: The expense ratio is the recurring annual fee for a fund, and should not be confused with sales fees and commissions (these are paid only upon the purchase or sale of a fund). The average expense ratio for an actively managed mutual fund is about 1.5%.