Enzymes used in PCR. Several types of thermostable DNA polymerases are available for use in PCR, providing a choice of enzymatic properties, see table DNA polymerases used in PCR. Taq DNA polymerase, isolated from the eubacterium Thermus aquaticus, is the most commonly used enzyme for standard end-point PCR.
Symbolic Frame. A collection of media artifacts that represent principles, components, and assumptions of the symbolic/cultural frame. Yes, academics and student achievement are important to any school. However, some school leaders believe that building a school culture is just as important.
A play frame is typically defined as the real or imagined boundary that keeps the play intact through cues and returns. When a child is playfully teased during play, the child that is being teased has the choice to either take the teasing seriously or make a joke of the teasing.