Recombinant DNA Technology Uses a Number of "Tools" and Components

Recombinant DNA technology uses a number of "tools" and components. Match each of the following to its definition.
-plasmid

A) amplification of small pieces of DNA through a repeated series of cyclic biochemical reactions
B) a chemical typically isolated from bacteria that cuts DNA at specific sites, frequently producing palindromic ends
C) small, circular piece of DNA as vectors for transfer of DNA between organisms
D) a chemical that binds fragments of DNA together
E) a chemical facilitates the addition of nucleotides to a growing strand of DNA