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.
DEFINITION of 'Housing Expense Ratio'. A ratio comparing housing expenses to before-tax income that is used by lenders to qualify borrowers for a mortgage. The housing expense measure includes mortgage principal, interest payments, property taxes, hazard insurance, mortgage insurance and association fees. The limit is generally 28%. It is sometimes referred to as the front ratio.