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.
Expense Ratio. An expense ratio is an annual fee charged to all shareholders of a particular mutual fund. It's expressed as a percentage of assets. For example, if a fund has an expense ratio of 1.1 percent, then $11 of every $1,000 is taken out every year by the fund company to pay for various operating expenses.